VERKAUFSDATENVERARBEITUNGSVORRICHTUNG.

摘要

A sales-data-processing apparatus having a storing device for storing rebate information or the equivalent thereof, an input device for entering a desired rebate which a customer wants to be refunded from the rebate, a subtracting device for subtracting the desired rebate from the total price of the current purchase, and a display device for displaying the result of the substraction. The apparatus makes it possible to refund the desired rebate at each purchase.