PROBLEM TO BE SOLVED: To provide a method enabling doing a business deal with a sense of security by giving refund of payment for a product to a purchaser of the product being an object of the business deal, if the purchaser cannot acquire better-luck effects, in a business deal of so-called "better-luck goods".;SOLUTION: This system is a full refund system after-use, in which abstract effects such as "better luck" provided by purchasing a product is set forth as premise, if it is understood that the effects of the product are not exhibited after the deal of the product, the purchaser can have full refund after 180 days from the date of the deal. This is a full refund system after-use which other companies have not developed, and with this system, customers can purchase the product with a sense of security.;COPYRIGHT: (C)2005,JPO&NCIPI
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