| 摘要 |
PROBLEM TO BE SOLVED: To omit the troublesome input of a password number for a transaction of a small amount by storing the transaction limit amount information in a customer card, permitting immediately the settlement of accounts when the transaction settlement amount is smaller than time transaction limit amount, and then permitting the settlement of accounts after the customer is identified by his password number when the transaction settlement amount is larger than the transaction limit amount. SOLUTION: The transaction amount of this time is added to the transaction amount total information (S15) and compared with the transaction limit amount information (S16). When the added amount is larger than the transaction limit amount, a customer A is requested by a retail store owner B to input his password number. When the customer A inputs his password number (S18), the number is collated with a stored password number (S19). If the added amount is smaller than the transaction limit mount, the transaction amount total information is updated to an amount decided with addition of the transaction amount total information (S23). When it's decided that a transaction is possible with use of a customer card, the display is performed for confirmation and the customer's operation is guided. When the owner B confirms the transaction (S26), the relevant commodity is given to the customer A and the customer A pulls out his card (S28). |
