Which one of the following does not affect the reject rates at a company's production facilities? O Spending for TQM/Six Sigma quality control efforts O The percentage use of new equipment versus refurbished footwear-making equipment O The number of models/styles comprising the company's product line and whether Production Improvement Option D has been installed O Annual company expenditures to improve the ease and accuracy of producing the models comprising its product line The size of the incentive payment per non-defective pair produced