Absorption Costing Income Statement For the Month Ended April 30 Sales (2,700 units) $91,800 Cost of goods sold: Cost of goods manufactured (3,200 units) $76,800 Inventory, April 30 (400 units) (9,600) Total cost of goods sold (67,200) Gross profit $24,600 Selling and administrative expenses Operating income (15,170) $9,430 If the fixed manufacturing costs were $18,432 and the fixed selling and administrative expenses were $7,430 Joplin Company Variable Costing Income Statement For the Month Ended April 30 Sales Variable cost of goods sold: Variable cost of goods manufactured Inventory, April 30 Total variable cost of goods sold Manufacturing margin Variable selling and administrative expenses Contribution margin Fixed costs: Fixed manufacturing costs Fixed selling and administrative expenses Total fixed costs Operating income 58,368 91,800 X