please answer with correct and detailed calculations and explanations. make sure supporting statements are also provided for each step and calculation.

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 (4,200 units) $88,200 Cost of goods sold: Cost of goods manufactured (4,788 units) $71,820 Inventory, April 30 (588 units) (8,820) Total cost of goods sold (63,000) Gross profit $25,200 Selling and administrative expenses (14,310) Operating income $10,890 If the fixed manufacturing costs were $15,082.2 and the fixed selling and administrative expenses were $7,010, 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 - 3 ' Variable cost of goods sold: _ 9 = Fixed costs