| 摘要 |
PROBLEM TO BE SOLVED: To apply a low unit price of fuel even if settling the payment of a fuel charge by a credit card in a gas station system. SOLUTION: The gas station system is equipped with a control device 11 which controls the settlement for paying by at least a credit card for purchasing fuel oil, and the settlement for paying by the balance of a fueling card P, and a unit price storage part 30 which stores a credit card settlement unit price corresponding to the credit card, and stores the fueling card settlement unit price corresponding to the fueling card. When the settlement for paying by the credit card and the fueling card P is put in, the amount of payment is calculated based on lower one of the two unit prices of settlement to be read out by comparing the unit prices of settlement. COPYRIGHT: (C)2007,JPO&INPIT
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