I need answers for the three boxes that are empty (thanks in advance).

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: If the fixed manufacturing costs were $39,312 and the fixed selling and administrative expenses were $17,650, prepare an income statement according to the variable costing concept. Round all final answers to whole dollars. Cheok My Work Sales - (Variable Cost of Goods Manufactured - Variable Costing Ending inventory**) = Manufacturing Margin; Manufacturing Margin - Variable Selling and Administrative Expenses = Contribution Margin; Contribution Margin - (Fixed Manufacturing Costs + Fixed Selling and Administrative Expenses) = Operating income "Variable Cost of Goods Manufactured = Total Cost of Goods Manufactured - Fixed Manufacturing Cost ".w. Variable Costing Ending Inventory = (Variable Cost of Goods Manufactured/Total Units of Goods Manufactured) Absorption Costing Ending Inventory Units (given) 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 =v Totalfixedcosts= Operating income 203,500