On April 30, the end of the first month of operations, Joplin Company prepared the following income statement, based on the absorption costing concept: Joplin Company Absorption Costing Income Statement For the Month Ended April 30 Sales (5,700 units) $119,700 Cost of goods sold: Cost of goods manufactured (6,700 units) $100,500 Inventory, April 30 (900 units) (13,500) Total cost of goods sold (87,000) Gross profit $32,700 Selling and administrative expenses (19,950) Operating income $12,750 If the fixed manufacturing costs were $24,120 and the fixed selling and administrative expenses were $9,770, prepare an income statement according to the variable costing concept. Round all final answers to whole dollars. Joplin Company Variable Costing Income Statement For the Month Ended April 30 Sales $Sales Variable cost of goods sold: Variable cost of goods manufactured $Variable cost of goods manufactured Inventory, April 30 Inventory, April 30 Total variable cost of goods sold Total variable cost of goods sold Manufacturing margin $Manufacturing margin Variable selling and administrative expenses Variable selling and administrative expenses Contribution margin $Contribution margin Fixed costs: Fixed manufacturing costs $Fixed manufacturing costs Fixed selling and administrative expenses Fixed selling and administrative expenses Total fixed costs Total fixed costs Operating income $Operating income