The factors that affect a company's S$/$Q rating by the International Footwear Federation include the size of incentive bonuses paid to workers for defect$-$free workmanship and the percentage use of refurbished footwear$-$ making equipment the current$-$year number of innovative new performance features built into a company's branded models$/$styles how much is spent to inspect newly$-$produced pairs and avoid shipping defective shoes and the size of the footwear quality incentives paid to production workers. the amount the company spends to properly maintain the performance of footwear$-$making equipment. current and cumulative spending for TQM$/$Six Sigma quality control programs