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 (4,400 units) $145,200 Cost of goods sold: Cost of goods manufactured (5,100 units) $117,300 Inventory, April 30 (700 units) (16,100) Total cost of goods sold (101,200) Gross profit $44,000 (26,560) $17,440 Selling and administrative expenses Operating Income If the fixed manufacturing costs were $31,671 and the fixed selling and administrative expenses were $13,010, prepare an income statement according to the variable costing concept. Round all final answers to whole dollars. Sales Joplin Company Variable Costing Income Statement Variable cost of goods sold: For the Month Ended April 30 Variable cost of goods manufactured Inventory, April 30 00 145,200 Selling and administrative expenses Operating income $44,000 (26,560) $17,440 If the fixed manufacturing costs were $31,671 and the fixed selling and administrative expenses were $13,010, 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 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 100 145,200