| 摘要 |
PURPOSE: A coupon providing method and a device thereof are provided to supply a discount rate according to winning by determining the winning of a user based on an expected discount rate inputted by the user. CONSTITUTION: A gift certificate information receiver(210) receives gift certificate selection information from a user terminal. A selection interface provider(220) provides a selection interface including a plurality of division areas to the user terminal. A selection information receiver(230) receives a plurality of division areas and an expected discount rate corresponding to a plurality of division areas. A winning area selector(240) selects one or more winning areas from a plurality of division areas. [Reference numerals] (210) Gift certificate information receiver; (220) Selection interface provider; (230) Selection information receiver; (240) Winning area selector; (250) Discount rate calculator; (260) Discount coupon provider; (270) User comment receiver |
