| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a system for performing discount calculation corresponding to rental quantity relating to a currently effective rental contract concerning a rental contract where money is continuously transferred in a predetermined period as a rental period. <P>SOLUTION: A control part 110 reads and totals rental quantity data relating to all rental contracts which are effective in the application date of a new merchandise rental contract, which are associated with the customer ID data of a customer relating to the new merchandise rental contract accepted through an input part 130 from a storage part 150, and displays the rental quantity data obtained by adding the rental quantity data relating to the new merchandise rental contract as total rental quantity data at a display part 120. <P>COPYRIGHT: (C)2007,JPO&INPIT |
