PROBLEM TO BE SOLVED: To provide a sales processor which gives convenience to a customer by adding valuable information to a receipt and sufficiently uses a chance to advertise.;SOLUTION: The sales processor is equipped with an input device 1a which inputs sales information on an article to a customer, a database 8 which stores advertisement information and popularity information by articles classified by genres and databases 6 and 7 which store customer information, an arithmetic processor which computes points represented by the popularity information and purchase amounts by customers from sales quantities by sold articles and stores the arithmetic result in the database, and a printer 1e which prints a two-dimensional bar code on a receipt; and an arithmetic unit selects the genres of articles with the largest purchase quantities by the customers and prints advertisement information on the most popular articles in the selected genres through the printer.;COPYRIGHT: (C)2003,JPO
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