Materials Variances Assume that Pearle Vision uses standard costs to control the materials in its made-to-order sunglasses. The standards call for 2 ounces of material for each pair of lenses. The standard cost per ounce of material is $16.25. During July, the Santa Clara location produced 5,200 pairs of sunglasses and used 9,800 ounces of materials. The cost of the materials during July was $17.00 per ounce, and there were no beginning or ending inventories. Required a. Determine the flexible budget materials cost for the completion of the 5,200 pairs of glasses.