Variable Costing Income Statement 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 (2,400 units) $38,400 Cost of goods sold: Cost of goods manufactured (2,800 units) Inventory, April 30 (400 units) $30,800 (4,400) Total cost of goods sold (26,400) Gross profit $12,000 Selling and administrative expenses (6,720) Operating income $5,280 If the fixed manufacturing costs were $7,084 and the fixed selling and administrative expenses were $3,290, 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