Which of the following is/are not among the factors that affect worker productivity? O Whether Production Improvement Option D has been installed at the production facility: this option increases worker productivity by 50%. O The S/Q ratings of the footwear being produced and whether the percentage use of superior materials exceeds 60% O Expenditures for best practices training The total annual, compensation of workers relative to industry-average total compensation levels in the geographic region The size of the percentage increase in annual base pay