JP6989393B2 - Product sales data processing equipment and programs - Google Patents

Description

Embodiments of the present invention relate to merchandise sales data processing devices and programs.

In retail stores such as supermarkets, there is an example of bulk sales that can be purchased at a lower price than when purchasing individual products at a normal price when purchasing a combination of specified products, so-called bulk purchase. There is (for example, Patent Document 1).

However, in such conventional bulk sales, the combination of products has been decided in one way. Therefore, for example, the discount amount when the product A and the product B are purchased in combination and the discount amount when the product A and the product C are purchased in combination cannot be set as different discount amounts. Therefore, there is a problem that the flexibility of the service is lacking because the combination of products to be sold in bulk is limited.

An object to be solved by the present invention is to provide a product sales data processing device and a program capable of flexibly setting a combination of products to be sold in bulk.

The product sales data processing device of the embodiment includes a registration means, a first selection means, a discount means, an update means, and a second selection means . The registration means executes the registration process of the product to be sold to the customer. The first selection means selects a combination of products to be sold in bulk from the registered products based on the information indicating whether or not the products are to be sold in bulk. The discount means sets a discount amount according to the combination of products selected by the first selection means. The renewal means updates the product combination and the discount amount when the first selection means selects a product combination having a larger discount amount. The second selection means is to select a combination of products to be sold in bulk from among the registered products that are not a combination of bulk sales when the renewal means updates the combination of products. select.

FIG. 1 is a perspective view showing the appearance of a POS terminal device which is an example of a product sales data processing device according to the present embodiment. FIG. 2 is a hardware block diagram showing an example of the hardware configuration of the POS terminal device. FIG. 3 is a functional block diagram showing an example of the functional configuration of the POS terminal device. FIG. 4 is a diagram showing an example of the configuration of the discount master. FIG. 5 is a diagram showing a method of setting a discount amount when performing a summary discount. FIG. 6 is a flowchart showing an example of the flow of the product registration process for registering the product purchased by the customer among the processes performed by the POS terminal device. FIG. 7 is a diagram showing a specific flow of the product registration process performed by the POS terminal device when registering the product set by the discount master of FIG. 4. FIG. 8 is a diagram showing an example of a screen displayed on the cashier side display operation unit by the POS terminal device. FIG. 9 is a diagram showing an example of a screen displayed on the customer side display unit by the POS terminal device. FIG. 10 is a diagram showing an example of a receipt printed and issued by the print control unit of the POS terminal device.

Hereinafter, the product sales data processing apparatus according to the embodiment of the present invention will be described with reference to the accompanying drawings.

(Explanation of the overall configuration of the product sales data processing device)
FIG. 1 is a perspective view showing the appearance of a POS (Point Of Sales) terminal device 10 which is an example of a product sales data processing device according to the present embodiment. The POS terminal device 10 includes a keyboard 4, a cashier-side display operation unit 5 which is an example of a cashier-side display means, a receipt printer 6, a customer-side display unit 7 which is an example of a customer-side display means, and a barcode reader 8. And have.

The keyboard 4 and the cashier side display operation unit 5, which are user interfaces, are arranged on the upper surface of the POS terminal device 10, with the keyboard 4 on the front side and the cashier side display operation unit 5 on the back side.

The keyboard 4 is a part of an input device, and includes a plurality of keys such as a number key, a clear key, a return key, a subtotal key, and a closing key. The digit key is a numeric keypad for inputting numerical values such as a product code and an amount. The clear key is a key for canceling an operation when an error occurs. The return key is a key for canceling the current operation and returning to the previous screen. The subtotal key is a key for completing the product registration process for registering a product and declaring the calculation of the total transaction amount. The closing key is a key to be pressed when the input content is confirmed and the settlement processing (accounting processing) is performed.

The cashier side display operation unit 5 includes, for example, a display device such as an LCD (Liquid Crystal Display) panel 5a, and a touch panel 5b laminated on the surface of the display device. The LCD panel 5a displays a screen for the cashier according to the processing status such as registration processing and payment processing. The touch panel 5b detects the pressing operation of the cashier with respect to the screen displayed on the LCD panel 5a, the button, or the like, and controls the operation of the POS terminal device 10 according to the pressed position.

The receipt printer 6 is arranged on the left side of the upper surface of the POS terminal device 10 and prints a statement slip and a receipt (receipt) to be handed to the customer. Further, the receipt printer 6 is provided with an issuing port 6a to issue a printed receipt.

The customer-side display unit 7 is composed of an LCD panel (see FIG. 2), and is provided on the back side of the upper surface of the POS terminal device 10. The customer side display unit 7 is arranged with the display surface facing the customer, and displays the amount of the registered product, the discount amount, the total transaction amount, the total discount amount, and the like. In the following, the customer-side display unit 7 may be described as the LCD panel 7.

Further, the POS terminal device 10 is connected to a bar code reader 8 that reads the code data held by the bar code from the bar code attached to the product. The barcode reader 8 decodes (decodes) the received signal of the code data, acquires the code data (product code that identifies the product) expressed by the barcode, and obtains the CPU 22 (see FIG. 2) of the POS terminal device 10. ).

(Explanation of hardware configuration of POS terminal device)
Next, the hardware configuration of the POS terminal device 10 will be described with reference to FIG. FIG. 2 is a hardware block diagram showing an example of the hardware configuration of the POS terminal device 10. As shown in FIG. 2, the POS terminal device 10 includes a control unit 20 for controlling each unit. The control unit 20 has a general computer configuration including a CPU (Central Processing Unit) 22, a ROM (Read Only Memory) 24, and a RAM (Random Access Memory) 26. The CPU 22 expands various programs stored in the ROM 24 and the storage unit 30 into the RAM 26. The CPU 22 operates according to various programs developed in the RAM 26, and controls the entire POS terminal device 10.

The control unit 20 connects the storage unit 30 and the controller 50 via the bus line 40.

The storage unit 30 is a non-volatile memory such as a flash memory in which stored information is retained even when the power is turned off. The storage unit 30 stores a program or the like including the control program P1. The control program P1 is a program for exerting the functions of the POS terminal device 10. Further, the storage unit 30 stores the discount master 32. The discount master 32 is a master file that stores a product code, a product name, a product price, and the like in association with each other, and stores a combination of products that can be discounted when a bulk purchase is made and a discount amount. Since the contents of the discount master 32 are updated daily, the POS terminal device 10 periodically receives the latest contents of the discount master 32 from the store server via a communication interface (not shown in FIG. 2). ..

The controller 50 connects the control unit 20, various peripheral devices, that is, the LCD panel 5a, the touch panel 5b, the LCD panel 7, the keyboard 4, the barcode reader 8, and the receipt printer 6. The controller 50 controls various connected peripheral devices based on a command from the control unit 20.

(Explanation of the functional configuration of the POS terminal device)
Next, the functional configuration of the POS terminal device 10 will be described with reference to FIG. FIG. 3 is a functional block diagram showing an example of the functional configuration of the POS terminal device 10.

The CPU 22 (see FIG. 2) of the control unit 20 reads out the control program P1 stored in the storage unit 30 and expands it into the RAM 26. The control unit 20 operates according to the control program P1 to generate each functional unit shown in FIG. 3 on the RAM 26. Specifically, the control unit 20 realizes a registration unit 20a, a selection unit 20b, a discount setting unit 20c, an update unit 20d, a display control unit 20e, and a print control unit 20f as functional units.

The registration unit 20a is an example of the registration means, and executes the registration process of the product to be sold to the customer.

The selection unit 20b is an example of the selection means, and is a product to be sold in bulk from among the products registered based on the information of the discount master 32 indicating whether or not the product is to be sold in bulk. Select a combination.

The discount setting unit 20c is an example of the discount means, and sets the discount amount according to the combination of the products selected by the selection unit 20b. More specifically, the discount setting unit 20c sets the discount amount according to the combination of the products selected by the selection unit 20b by referring to the discount master 32.

The updating unit 20d is an example of the updating means, and when the selection unit 20b selects a combination of products having a larger discount amount, the combination of products and the discount amount are updated.

The display control unit 20e displays information including a combination of selected products to be sold in bulk on the cashier side display operation unit 5. Further, the display control unit 20e displays information including the selected combination of products to be sold in bulk on the customer side display unit 7.

The print control unit 20f is an example of a printing means, and prints information including a combination of selected products to be sold in bulk on a receipt and issues the information.

(Explanation of the configuration of the discount master)
Next, the configuration of the discount master 32 will be described with reference to FIG. FIG. 4 is a diagram showing an example of the configuration of the discount master 32.

As shown in FIG. 4, the discount master 32 stores the product identification information 32b, the target category 32c, the discount amount 32d when the combination is established, and each information of the campaign name 32e. The combination products belonging to the same project are given the same ID number as the ID number 32a of the combination project.

The product identification information 32b further stores the product code 34a, the product name 34b, and the unit price 34c. The product code 34a is, for example, a JAN (Japanese Article Number) code, which is a unique identification number assigned to each product. The product name 34b is the name of each product. The unit price 34c is the unit price of each product.

The target category 32c stores information on whether the product is a conditional product, a product subject to discount, or does not correspond to any of the products. Conditional products are products that are subject to collective discounts. A discount target product is a product that is subject to a collective discount by purchasing it together with a conditional product. If neither the conditional product nor the discount target product is applicable, the target category 32c is blank.

The discount amount 32d when the combination is established indicates the discount amount when the conditional product and the discount target product are purchased together.

The campaign name 32e represents the name of the service that performs the collective discount.

(Summary Explanation of the concept of discount)
Next, the concept of summary discount will be described with reference to FIG. FIG. 5 is a diagram showing a method of setting a discount amount when performing a summary discount.

For example, it is assumed that the lunch box A, which is a conditional product, and the beverage A and the beverage B, which are the discount target products, are purchased in bulk. At this time, referring to the contents of the discount master 32 (see FIG. 4) described above, as shown in FIG. 5 (a), two types of combinations of products that can be collectively discounted are established (lunch box A and beverage A). , Bento A and Beverage B). In such a case, a combination of products with a larger discount amount shall be established. That is, as shown in FIG. 5 (b), it is assumed that the combination of the lunch box A and the beverage B is established. Then, in this case, the beverage A that is out of the combination of products is sold without a discount (150 yen).

Further, although not shown in FIG. 5, when a plurality of the same discount target products are registered, a conditional product that establishes a combination is searched for each of the plurality of registered same discount target products.

(Explanation of the flow of product registration processing performed by the POS terminal device)
Next, with reference to FIG. 6, the flow of processing performed by the control unit 20 of the POS terminal device 10 based on the control program P1 will be described. FIG. 6 is a flowchart showing an example of the flow of the product registration process for registering the product to be purchased by the customer among the processes performed by the POS terminal device 10.

The registration unit 20a registers one item to be purchased by the customer (step S10).

The selection unit 20b selects a combination of products that can be sold in bulk between the one product registered in step S10 and the product already registered (step S12).

Further, the discount setting unit 20c determines whether there is a combination of products having a larger discount amount (step S14). When it is determined that there is a combination of products having a larger discount amount (step S14: Yes), the process proceeds to step S16. On the other hand, if it is not determined that there is a combination of products having a larger discount amount (step S14: No), the process proceeds to step S20.

In step S16, the update unit 20d updates the combination of products.

Next, the selection unit 20b reselects a combination of products that can be discounted together for the products that are out of the combination in step S16 (step S18).

The display control unit 20e displays all the selection results including the combination of products selected in step S18 on the cashier side display operation unit 5 and the customer side display unit 7 (step S20).

The registration unit 20a determines whether the registration of all the products has been completed (step S22). Specifically, for example, it is detected that the closing key provided on the keyboard 4 is pressed, and it is determined whether the registration of all the products is completed. When it is determined that the registration of all the products is completed (step S22: Yes), the process of FIG. 6 is terminated. On the other hand, if it is not determined that the registration of all the products is completed (step S22: No), the process returns to step S10 and the next product is registered.

Although not shown, the POS terminal device 10 performs a payment process in which the product registration process shown in FIG. 6 is completed, and a receipt in which the payment content is printed on a receipt and issued. Performs printing processing.

(Explanation of the specific flow of product registration processing)
Next, with reference to FIG. 7, the flow of processing performed by the control unit 20 of the POS terminal device 10 based on the control program P1 will be described. FIG. 7 is a diagram showing a specific flow of the product registration process performed by the POS terminal device 10 when registering the product set by the discount master 32 of FIG.

7 (a) to 7 (d) show an example of the progress of the product registration process stored in the RAM 26 included in the control unit 20 when the POS terminal device 10 performs the product registration process described above. There is.

First, when the bento A is registered, as shown in FIG. 7A, the product name "bento A" and the amount of the bento A "800 yen" are registered in the RAM 26. Then, the POS terminal device 10 waits for the registration of the next product.

Subsequently, when the bento B is registered, as shown in FIG. 7B, the product name “bento B” and the amount of the bento B “1000 yen” are registered in the RAM 26. Further, "1800 yen", which is the total transaction amount, is registered in the RAM 26. Then, the POS terminal device 10 waits for the registration of the next product.

Next, when the beverage A is registered, the product name "beverage A" is registered as shown in FIG. 7 (c). Since "Beverage A" is a discounted product, the selection unit 20b selects a product to which the collective discount is applied by purchasing the product in combination with "Beverage A" from the already registered products. do. At this time, since the selection unit 20b selects the products in the order of registration, the first registered "lunch box A" is selected. Then, the discount setting unit 20c calculates that the discount amount due to the collective discount is "30 yen". Further, the calculated discount amount of "30 yen" and the fact that the amount of "beverage A" becomes "120 yen" by the discount are registered in the RAM 26. Further, information indicating that "beverage A" and "lunch box A" are a combination of products to be sold in bulk is registered in the planning column of the RAM 26. Specifically, a, b, ... Are registered in the planning column in alphabetical order. Further, the total transaction amount of "1920 yen" and the total discount amount of "30 yen" are registered in the RAM 26.

Next, when the beverage B is registered, the product name "beverage B" is registered as shown in FIG. 7 (d). Since "beverage B" is a discounted product, the selection unit 20b selects a product to which the collective discount is applied by purchasing the product in combination with "beverage B" from the already registered products. do. At this time, since the selection unit 20b selects the products in the order of registration, the first registered "lunch box A" is selected. Then, the discount setting unit 20c calculates that the discount amount due to the combined discount of "beverage B" and "lunch box A" is "50 yen". The discount setting unit 20c has "beverage B" and "beverage B" based on the fact that the calculated discount amount of "50 yen" is larger than the discount amount of "30 yen" calculated in FIG. 7 (c). Select "Bento A" as a new product combination. Then, the update unit 20d deletes the information "a" given to "beverage A" and "lunch box A" in the planning column, and sells them in bulk to "beverage B" and "lunch box A". Information "a" indicating that the product is a combination of products is added. As a result, "beverage B" and "lunch box A" are selected as new product combinations.

Further, the selection unit 20b reselects "beverage A", which is a discounted product whose planning column is blank, and whether a product to be sold in bulk is registered. In the example of FIG. 7D, "beverage A" and "lunch box B" are selected as a combination of products to be sold in bulk. Then, the discount setting unit 20c calculates that the discount amount due to the combined discount of "beverage A" and "lunch box B" is "30 yen". The renewal unit 20d gives the "beverage A" and the "lunch box B" information "b" indicating that the product is a combination of products to be sold in bulk. As a result, "beverage A" and "lunch box B" are selected as new product combinations. Further, the total transaction amount of "2070 yen" and the total discount amount of "80 yen" are registered in the RAM 26.

In this way, every time a new product is registered, the POS terminal device 10 is subject to bulk sales, selection of products to be sold in bulk, setting of a discount amount, updating of product combinations, and bulk sales. Repeat with product reselection.

(Explanation of the screen displayed on the display operation unit on the cashier side)
Next, the screen displayed on the cashier side display operation unit 5 will be described with reference to FIG. FIG. 8 is a diagram showing an example of a screen displayed on the cashier side display operation unit 5 by the POS terminal device 10.

The display control unit 20e displays the registered product information 60 on the cashier side display operation unit 5 every time a new product is registered. The registered product information 60 includes a department 60a, a product name 60b, a unit price 60c, a score 60d, a discount 60e, and an amount 60f.

In the column of the section 60a, information indicating that the combination of products selected as the target of bulk sale is displayed, for example, in alphabetical order (a, b, ...). In the column of the product name 60b, the product name registered in the discount master 32 (see FIG. 4) is displayed. In the column of the unit price 60c, the unit price of the product registered in the discount master 32 is displayed. In the column of the score 60d, the score of the product registered by the registration unit 20a (see FIG. 3) is displayed. In the field of the discount 60e, the amount registered in the discount master 32 and the discount amount 32d at the time of establishment of the combination with a negative sign is displayed. In the column of the amount 60f, the amount of the product considering the discount amount is displayed.

In the column of the product name 60b, the campaign name of the summary discount is displayed together with the product name. The campaign name is displayed by reading out the campaign name 32e (see FIG. 4) registered in the discount master 32 in association with the product name.

At the bottom of the cashier side display operation unit 5, the total number of registered products, the amount of money deposited by the customer, and the amount of change are displayed. Further, a message frame 62 is provided at the lowermost part of the cashier side display operation unit 5. The display control unit 20e displays necessary information for the cashier in the message frame 62. For example, as shown in FIG. 8, the work of the cashier is supported by displaying "Please hand over the change."

(Explanation of the screen displayed on the customer side display)
Next, the screen displayed on the customer side display unit 7 will be described with reference to FIG. 9. FIG. 9 is a diagram showing an example of a screen displayed on the customer side display unit 7 by the POS terminal device 10.

The display control unit 20e displays the registered product information 70 on the customer side display unit 7 every time a new product is registered. The registered product information 70 includes a department 70a, a product name 70b, a unit price 70c, a score 70d, a discount 70e, and an amount 70f.

In the column of the section 70a, information indicating that the combination of products selected as the target of the bulk sale is displayed, for example, in alphabetical order (a, b, ...). The registered product name is displayed in the product name 70b column. The unit price of the product is displayed in the column of the unit price 70c. In the column of the score 70d, the score of the registered product is displayed. The discount amount is displayed in the discount 70e column. In the column of the amount 70f, the amount of the product considering the discount amount is displayed.

The registered product information 70 displays the products that are not selected as the target of the bulk sale first, and then displays the products that are selected as the target of the bulk sale. Specifically, as shown in FIG. 9, "beverage C", which is a product not selected for bulk sale, is displayed on the first line. Then, the first combination "Bento A" and "Beverage A" are displayed on the second and third lines, that is, the adjacent lines, and the fourth and fifth lines, that is, the adjacent lines are displayed. "Bento B" and "Beverage B", which are combinations of 2, are displayed. By displaying the registered product information 70 in such an order, the customer can easily recognize that the discount by bulk sales is being performed.

Further, a message frame 72 is provided at the bottom of the customer side display unit 7. The display control unit 20e displays necessary information in the message frame 72. For example, as shown in FIG. 9, the customer's understanding is deepened by displaying such as "The discount amount is a provisional value. The discount amount is updated according to the registration of the product."

Although the registered product information 60 displayed on the cashier side display operation unit 5 and the registered product information 70 displayed on the customer side display unit 7 are displayed in different formats, these are examples of display forms. Therefore, the registered product information 60 and the registered product information 70 may be displayed in the same format.

(Explanation of the receipt printed by the receipt printer)
Next, a receipt printed and issued by the receipt printer 6 will be described with reference to FIG. FIG. 10 is a diagram showing an example of a receipt 90 printed and issued by the print control unit 20f (see FIG. 3) of the POS terminal device 10.

The print control unit 20f prints on the receipt 90 information including the product names 92a, 92b, 92c purchased by the customer and the campaign information 94a, 94b indicating that the discount has been made by the bulk sale.

For the product names 92a, 92b, and 92c, the product for which the combination is not established is printed first (on the upper part of the receipt 90). The products for which the combination is not established are the products that are not subject to bulk sales, and the products that are subject to bulk sales and the products that are subject to discounts, and the products for which the combination is not established. For example, in the example of FIG. 10, the product name 92a, which is a non-target product for bulk sales, is printed first.

After that, the print control unit 20f continuously prints the product names for which the combination is established. In the example of FIG. 10, "lunch box A" and "beverage A" are continuously printed as the product name 92b. Further, as the product name 92c, "lunch box B" and "beverage B" are continuously printed.

Further, the print control unit 20f prints the campaign information 94a after the product name 92b. Further, the campaign information 94b is printed after the product name 92c. The campaign information 94a and 94b include the campaign name and the discount amount due to the bulk sale.

In addition, the print control unit 20f prints a subtotal, a total, a deposit amount, a change amount, and the like on the receipt 90.

As described above, according to the POS terminal device 10 (product sales data processing device) of the embodiment, the registration unit 20a (registration means) executes the registration process of the product to be sold to the customer, and the selection unit 20b. (Selection means) selects a combination of products to be sold in bulk from the registered products based on the information indicating whether or not the product is to be sold in bulk. Then, the discount setting unit 20c (discount means) sets the discount amount according to the combination of the products selected by the selection unit 20b, and the update unit 20d (update means) causes the selection unit 20b to set a larger discount amount. When the product combination is selected, the product combination and the discount amount are updated. Therefore, it is possible to flexibly set the combination of products to be sold in bulk.

Further, according to the POS terminal device 10 of the embodiment, the selection unit 20b, the discount setting unit 20c, and the update unit 20d operate every time the registration unit 20a registers a product. Therefore, each time a new product is registered, the combination of the products with the maximum discount amount is selected at that time, so that the cashier and the customer can quickly confirm the discount amount by the bulk sale.

Further, according to the POS terminal device 10 of the embodiment, each time the registration unit 20a registers a product, the selection unit 20b selects a combination of products to be sold in bulk from the registered products. At the same time, when the updating unit 20d updates the combination of products, the combination of the products to be sold in bulk is selected from the products that are not the combination of bulk sales among the registered products. Therefore, each time a new product is registered, it is possible to select a combination of products to be sold in bulk so that the discount amount is maximized.

Further, according to the POS terminal device 10 of the embodiment, the cashier side display operation unit 5 (casher side display means) provides information including a combination of products selected as a target for bulk sales to the POS terminal device 10 (product). Displayed to the cashier that operates the sales data processing device). Further, the customer-side display unit 7 (customer-side display means) displays information including a combination of products selected as a target for bulk sales to the customer. Therefore, it is possible to present information including a combination of products to be sold in bulk to both the cashier and the customer.

Further, according to the POS terminal device 10 of the embodiment, the print control unit 20f (printing means) prints information including a combination of products selected for bulk sales on the receipt 90 and issues it. Therefore, the combination of products to be sold in bulk can be printed on the receipt 90 in a format that is easy for the customer to understand.

Although the embodiment of the present invention has been described above, this embodiment is an example and is not intended to limit the scope of the invention. This novel embodiment can be implemented in various other embodiments, and various omissions, replacements, and changes can be made without departing from the gist of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are also included in the scope of the invention described in the claims and the equivalent scope thereof.

For example, the control program P1 executed by the control unit 20 may be provided in a state of being stored in the storage unit 30, or is a CD-ROM or a flexible disk (FD) in an installable format or an executable format file. , CD-R, DVD (Digital Versatile Disk), or the like, which may be recorded and provided on a computer-readable recording medium. Further, the control program P1 may be provided by storing it on a computer connected to the network and downloading it via the network. Further, the control program P1 may be provided or distributed via a network such as the Internet.

5 Cashier side display operation unit (casher side display means)
6 Receipt printer 7 Customer side display unit (customer side display means)
10 POS terminal device (product sales data processing device)
20 Control unit 20a Registration unit (registration means)
20b Selection unit (selection means)
20c Discount setting unit (discount means)
20d update unit (update means)
20e Display control unit 20f Print control unit (printing means)
30 Storage 32 Discount master

Japanese Patent Application Laid-Open No. 2002-288741

Claims (5)

A registration method that executes the registration process of products to be sold to customers,
A first selection means for selecting a combination of products to be sold in bulk from among the registered products based on information indicating whether or not the products are to be sold in bulk.
A discount means for setting a discount amount according to a combination of products selected by the first selection means, and a discount means.
When the first selection means selects a combination of products having a larger discount amount, an update means for updating the combination of products and the discount amount, and
When the renewal means updates the combination of products, the second selection of the registered products that is not the combination of bulk sales to select the combination of products to be sold in bulk. Means and
Commodity sales data processing device. The first selection means, the second selection means, the discount means, and the update means operate every time the registration means registers a product.
The product sales data processing device according to claim 1. A cashier-side display means that displays information including a combination of products selected for bulk sales to a cashier that operates a product sales data processing device.
Further provided with a customer-side display means for displaying information including a combination of products selected for bulk sales to the customer.
The product sales data processing device according to claim 1 or 2, characterized in that. Further provided with a printing means for printing and issuing information including a combination of products selected for bulk sales on a receipt.
The product sales data processing apparatus according to any one of claims 1 to 3 , wherein the product sales data processing apparatus is characterized by the above. Product sales data processing device,
A registration method that executes the registration process of products to be sold to customers,
A first selection means for selecting a combination of products to be sold in bulk from among the registered products based on information indicating whether or not the products are to be sold in bulk.
A discount means for setting a discount amount according to a combination of products selected by the first selection means, and a discount means.
When the first selection means selects a combination of products having a larger discount amount, an update means for updating the combination of products and the discount amount, and
When the renewal means updates the combination of products, the second selection of the registered products that is not the combination of bulk sales to select the combination of products to be sold in bulk. Means and
A program that makes it work.

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