At the time of the new model car which calculates in every tire size at the time of the new model car

摘要

PPROBLEM TO BE SOLVED: To accurately calculate the predictive number of tires. PSOLUTION: A tire predictive number calculation system 100 calculates the predictive number D of the specific tires sold during a specific period for every tire size on the basis of a tire predictive number A when a new car calculated by a predictive number calculating section 131 when a new car, a tire predictive number B when tire replacement calculated by a tire predictive number calculating section 132 when the tire replacement, and a sales rate C of the specific tire during the specific period determined by sold results of the specific tire during a period before the specific period. PCOPYRIGHT: (C)2007,JPO&INPIT