DISCOUNT RATE SETTING METHOD, AND DISCOUNT RATE SETTING APPARATUS, DISCOUNT RATE SETTING SYSTEM AND THE LIKE THEREOF

摘要

To provide a discount rate setting method, and a discount rate setting apparatus, a discount rate setting system and the like thereof that, although the larger a purchasing number of a commodity or the like is the larger the discount rate is, however, can easily calculate and set a discount rate such that the discount rate does not exceed a specific discount rate.SOLUTION: A price determination method according to the present invention that determines a selling price of each of commodities or services in discounting a plurality of commodities or services according to a purchasing number to sell executes: a process that calculates a discount rate which is obtained by adding a value obtained by dividing a difference between a discount rate of a commodity or a service purchased in (N-1)-th order by means of a golden section method and a preset upper limit maximum discount rate, by a preset discount additional ratio, to the discount rate of the commodity or the service purchased in the (N-1)-th order, as the discount rate of the commodity or the service purchased in N-th order (here, N is an integer more than or equal to 2); and a process that calculates a real selling price by applying the calculated discount rate to the commodity or the service purchased in N-th order.SELECTED DRAWING: Figure 5