Quebon Hip The production manager of a company was experiencing high defect rate on the embly line, which was slowing production and causing wastage of valuable materiale. He decided to purchase a higher grade of material which would be more relatie, but he was worried that the cost of the new mwen met negatively impact operating income. This situation could have produced which of the following vir A Farable price varie On Favorable materials officiency variano OC Unfavorable labor price ranco OD Unfavorable laborency variance