Fill in the missing amounts for the following three cases. Note: There is no manufacturing overhead in thisexercise.

Case I Case I| Case lI $ (G) Sales revenue $50,000 $60,000 Variable cost of goods sold: Direct materials $12,500 (A) 3,500 (B) 5,500 (C) $20,000 20,000 10,000 (H) (D) Direct labor 15,000 (E) Variable selling and administrative costs Contribution margin Fixed selling and administrative costs Rent expense on office building Depreciation expense on delivery trucks Profit $20,000 10,000 5,000 2,500 (F) 2,000 8,000 5,000 4,000 Gross margin $40,000 $20,000 $30,000 "Except rent and depreciation.