| 摘要 |
PURPOSE:To express thanks to customers and to acquire the new fixed customers by providing a magnetic card and its processor to supply the bonus of a fixed rate to a customer who paid a large amount of money against to the total paid amount. CONSTITUTION:A magnetic card which can record the data on the total paid amount and the starting date of a bonus supply period and display the total paid amount is given to each customer. While a card processor (shown in the diagram) is provided at the store side to add the total amount read 4a out of the card with the amount paid this time,to record the result of this addition to the card, to decide the propriety for the bonus supply standard based on the starting date of a period for bonus supply and the total paid amount and to calculate 7 the amount of bonus to the customer respectively. Thus the total paid amount is recorded 4b and displayed 8 on the card for each purchase of the customer. Then the user presents the card when his/her total paid amount exceeds a prescribed level for a fixed period of time and receives the bonus of a fixed rate.
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