Materials Varances Krumple Inc produces aluminum cans. Production of 12-ounce cans has a standard unit quantity of 4,5 ounces of aluminum per can. During the month of April, 304,000 cans were produced using 1,242,000 ounces of aluminum. The actual cost of aluminum was $0.19 per ounce and the standard price was $0.11 per ounce. There are no beginning or ending Inventories of aluminum Required: Calculate the materials price and usage variances using the columnar and formula approaches. Enter amounts as positive numbers and select Favorable or Unfavorable. Materials Price Variance Material Usage Variance