Which of the following is$/$are not among the factors that affect worker productivity?

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The amount the company spends annually per worker on best practices training

The size of the percentage increase in annual base pay 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 total annual compensation of workers relative to industry$-$average total compensation levels in the geographic region

The use of new footwear$-$producing equipment as opposed to refurbished equipment

The S$/$Q ratings of the footwear being produced and whether the percentage use of superior materials exceeds $65\%$