The factors that affect the reject rates at the company's footwear production facilities include the size of the incentive payment per non$-$defective pair produced, expenditures for best practices training, spending for TQM$/$Six Sigma quality control efforts, and the number of models$/$styles comprising the company's product line. the S $/$ Q rating of the pairs being produced, the size of the bonuses paid to production workers for perfect attendance at company best practices training programs, and company expenditures for improving the designs of the models$/$styles in its product line. worker annual base pay and overtime pay, the size of year$-$end quality incentive bonuses paid to production workers $,$ best practices training expenditures per worker, and the number of models$/$ styles comprising the company's product line. the amount of overtime pay production workers receive, the percentage use of superior materials, spending for TQM$/$Six Sigma quality control efforts, the number of models$/$styles comprising the company's product line, and the installation of production improvement option C$.$ the size of the total annual compensation package of workers, whether the facility is using $100\%$ refurbished equipment or $100\%$ new production with quality$-$enhancing features, and the percentage use of superior materials $.$