Cashier system for determination of total price paid by customer in sales process, has cash register to determine per unit prices of goods selected by customer for purchase and total price is determined which can be paid by customer

摘要

The system (1) has a cash register (10) to determine the per unit prices of the goods selected by a customer for a purchase. The total price is determined which can be paid by the customer. A comparison unit (18) is provided to compare the per unit prices of the goods bought by a customer in a sales process and/or the total price paid with the element selected by the sampling unit (34) for partial or complete correlation. A data storage unit (32) is formed to store amount of the per unit prices of the goods available in a sales process and amount of the total prices paid by the customers in a sales process. A sampling unit is formed to select an element stored from group of information in the data storage unit. An interface (40) to an account unit (14,16,52,54), is provided to express selected element for a notice by a customer from the sampling unit.