| 摘要 |
PROBLEM TO BE SOLVED: To amplify customer's desire for purchase by setting discount rate by every manufacturer, etc., according to the total amount of merchandise of a manufacture, etc., from which the customer purchased the merchandise in the past by every manufacturer, etc., and making a discount from the sale amount of the merchandise by every manufacturer, etc., by specified rate according to the discount rate when the merchandise is purchased. SOLUTION: A membership card, etc., is read in and when the customer is judged as a member, customer data are read in. In reading of the customer data, the customer data such as a card number read in by the reading of the card are read from a customer file stored in a disk and discounted amount is automatically calculated. In automatic calculation of the discounted amount, the discount rate is determined from the total amount of purchase this time by registration of purchased merchandise and purchase history of merchandise by every manufacturer, etc., and every group of merchandise, etc., of the customer in the past by the reading of the customer data, the actual discounted amount is set from the discount rate, the actual discounted amount is subtracted from the total amount of purchase of the customer this time, charged amount this time is calculated and displayed for the customer. |
