| 摘要 |
PROBLEM TO BE SOLVED: To promote the user's motivation to purchase by effectively utilizing a service point, and to release a shop from the burden on the service cost for the wining dividend by eliminating the uncertainty on the cost for winning dividend. SOLUTION: When each customer inputs the information necessary for participating in the lot drawing in accordance with the input guidance displayed on a display part 3 from an A terminal 1 installed near a register and the like of the shop for the application to participate in the lot drawing, a lot drawing server 7 connected by LAN 9 updates the information on the balance of the number of points of each customer stored in the database 8, and checks whether the balance reaches the number of points or the number of shares necessary for participating in the lot drawing. When the number of participation points or the total sum of the shares of each customer participating in the lot drawing, reaches the number necessary for the approval of lot drawing, the lot drawing is executed. |
