SALES MANAGEMENT EVICE, SALES SITE MANAGEMENT DEVICE, AND SALES SYSTEM

摘要

A sales system (100) comprising sales site management devices A (120a) and B (120b), and a sales management device (130). The sales site management device A (120a) transmits customer identification information for identifying a customer who has accessed the sales site management device A (120a) to the sales management device (130), receives presented commodity information, i.e., information created by the sales management device (130) on the basis of the customer identification information and used for identify a commodity to be presented to the customer out of the commodities sold by the sales site management device B (120b), and displays the commodity on the screen of a terminal (110) on the basis of the presented commodity information. The sales management device (130) receives the customer identification information from the sales site management device A (120a) and creates and transmits the presented commodity information to the sales site management device A (120a).