Sales system, server, and processing method for sales system

A server comprising:

• at least one memory configured to store one or more instructions;
• and
• at least one processor configured to execute the one or more instructions to:
• register a product corresponding to a first information acquisition unit in association with customer identification information when the customer identification information is input through the first information acquisition unit among a plurality of information acquisition units correspondingly installed for a plurality of respective products;
• receive a request for a product list associated with the customer identification information from a customer terminal;
• and
• transmit the product list to the customer terminal in response to the request.

A processing method for a sales system executed by a computer in a store system having a plurality of information acquisition units correspondingly installed for a plurality of respective products, comprising:

• registering a product corresponding to the first information acquisition unit in association with customer identification information when the customer identification information is input through the first information acquisition unit;
• receiving a request for a product list associated with the customer identification information from a customer terminal;
• and
• transmitting the product list to the customer terminal in response to the request.