Which of the following is not among the factors that affect worker productivity The number of models workers must assemble at a given production facility How favorably the total annual compensation of workers compares to industry$-$ average tot levels at production facilities in the same region Whether the S $/$ Q rating of the branded private$-$ label footwear being produced by workers i $5\mathrm{.}0$ stars The percentage increase in annual base pay Expenditures for best practices training per worker