If the fixed manufacturing costs were $16,146 and the fixed selling and administrative expenses were $7,550, prepare an income statement according to the variable costing concept. Round all final answers to whole dollars. Joplin Company For the Month Ended April 30 Sales (4,600 units) $87,400 Cost of goods sold: Cost of goods manufactured (5,400 units) $70,200 Inventory, April 30 (800 units) (10,400) Total cost of goods sold (59,800) Gross profit $27,600 Selling and administrative expenses Operating income (15,410) $12,190 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 00000