PROBLEM TO BE SOLVED: To reduce the costs of a reform provision service.;SOLUTION: A reform request input part 12 inputs a reform request based on a list price system reform price standard gathered from many reform requesters. A reform execution request generation part 14 generates a through pass execution request based on a list price system execution price standard to an execution trader corresponding to the request and the request does not include estimations for the respective reform requests. The list price system reform price standard and the list price system execution price standard are set based on the convergence value of a reform execution cost when the number of execution items increases. The reform execution request generation part 14 generates execution requests for the number of an execution cost convergence range capable of obtaining the convergence of the reform execution cost to one execution trader. At the time, the instruction of a reform request distribution part 16 for distributing many reform requests to the plural execution traders is obeyed.;COPYRIGHT: (C)2002,JPO
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