assume that pearle vision uses standard costs to control the materials in its made-to-order sunglasses. the standards call for 3 ounces of material for each pair of lenses. the standard cost per ounce of material is $12. during july, the santa clara location produced 6,000 pairs of sunglasses and used 17,750 ounces of materials. the cost of the materials during july was $12.25 per ounce, and there were no beginning or ending inventories. note: round answers to the nearest whole number, when needed. required