The factors that affect worker productivity include the size of annual base pay increases, how much the company spends annually for TQM/Six Sigma training to enhance worker skills, and whether the s/d ratings of the footwear being produced are above or below 5.0 stars. the warranty claim rate on recently-sold branded and private-label footwear, the amount of overtime pay workers receive, and how many pairs each worker is able to make during a year. the percentage of newly-hired workers, the percentage use of superior materials, and how much emphasis is placed on incentive compensation (as measured by the percentage of the company's total compensation package accounted for by incentive pay). the ratio of production workers to supervisors, and how favorably a company's total compensation package compares with the industry-average total compensation package at all production facilities in the same region. whether workers are making branded or private-label shoes and annual expenditures for proper maintenance of footwear-making equipment. C