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 per worker, spending for TQM$/$Six Sigma quality control efforts, and the percentage use of new equipment versus refurbished equipment. the size of worker's annual base pay, the number of models$/$styles comprising the company's product line, the size of the productivity quota that is established for workers, and the percentage use of superior materials. the S$/$Q rating of the pairs being produced, annual company expenditures to make the company's models easier to produce, and installation of production improvement option D$.$

per worker expenditures for best practices training, the S$/$Q rating of the pairs being produced, the percentage use of superior materials, and expenditures for TQM$/$Six Sigma quality control efforts.

workers' total compensation package, the percentage use of superior materials, and the S$/$Q rating of the pairs being produced.