OFFERED PRICE DETERMINATION METHOD, CENTER DEVICE, AND RECORDING MEDIUM

摘要

PROBLEM TO BE SOLVED: To solve the problem that conventional auction sale cannot cope with the existence of plural same commodities because it is performed on the premise that one commodity is bid for. SOLUTION: When bid prices are transmitted from terminal devices 2 to a center device 1 by bids, the negotiated price for each terminal device 2 is calculated and transmitted based on transmitted offered prices, and an offered price of an offered commodity other than the offered commodity for which the highest price is bid is determined on the basis of permission signals or reoffered prices transmitted from terminal devices 2.