| 摘要 |
PROBLEM TO BE SOLVED: To enhance the attraction of customers by making point information easy to see for a user or newly publishing an advertisement on the Internet by a retail store side. SOLUTION: A retail store POS terminal 10 installed in the retail store, a user terminal 30 installed with a user, an information center 20 preserving sales information, which is generated when a user performs shopping in the retail store, and a tax managing office terminal 40 installed in a tax managing office are respectively connected by the Internet 100 and when the disclosure of sales information is requested from any one of the retail store POS terminal 10, the user terminal 30 and the tax managing office terminal 40 to the information center 20, the information center 20 transfers the sales information to the terminal, which requests the disclosure. |
