| 摘要 |
Disclosed is a coin-free retail business management system and method. The method comprises reading a customer identification into a business management system, retrieving a first value previously saved under the customer identification; comparing the first value to a second value from a present transaction amount, the second value being a non-billable fraction from the present transaction amount, that is less than the face value of a lowest-valued monetary bill; generating a third value that is an addition of the first and second values; and subtracting the addition less a non-billable fraction of the addition from the present transaction amount.
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