SETTLEMENT AMOUNT CALCULATION METHOD AND COMPUTER PROGRAM PRODUCT OF THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a settlement amount calculation method and computer program product of the settlement amount calculation method.SOLUTION: A settlement amount calculation method includes: receiving product information on a plurality of groups of products; generating a first discount quantity on the basis of a discount condition preliminarily set by a processing unit and the received product information; receiving a first trigger signal on the basis of the first discount quantity; generating a first group of discount quantity values on the basis of the first trigger signal; calculating a settlement amount on the basis of the first group of discount quantity values and the received product information; and displaying the settlement amount. Each group of product information corresponds to a product to be purchased, and a quantity of the discount quantity values in the first group of discount quantity values is equal to the first discount quantity.