Matenals Variances Krumple lnc. produces aluminum cans. Production of 12-ounce cans has a standard unit quantity of 4.4 ounces of aluminum per can. During the manth of Aprii, 297,00 cans were produced using 1,250,000 ounces of aluminum, The actual cost of aluminum was $0.2 per ounce and the standard price was $0.13 per ounce. There are no beginning or ending inventories of oluminum. Required: Calculate the materials price and usage variances using the columnar and formula approaches. Enter amounts as positive numbers and select Favorable or Unfavorable