| 摘要 |
A supervisory control system for a point of sale (POS) device or devices located within a business establishment. The point of sale (POS) devices are programmed to communicate with a master station (MS) located remotely from the point of sale (POS) device. Following approval of the usual credit or debit card transaction or if a cash transaction takes place, a reward may be generated by the point of sale (POS) device which encourages further business with the consumer either within the business establishment or within business establishments located remotely from the location of the business establishment where the point of sale (POS) device is initially used.
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