| 摘要 |
PROBLEM TO BE SOLVED: To provide a renewal support system for an air conditioner capable of renewing only an air conditioner of which the renewal is required, at minimum cost.SOLUTION: A support system for a renewal plan is disclosed which estimates repair cost after the lapse of several years from a repair result for several years in the past and selects an air conditioner with a high ratio of cumulative repair cost after the lapse of several years and initial introduction cost, as a renewal object. |
