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 (3,600 units)			$104,400
Cost of goods sold:
Cost of goods manufactured (4,100 units)	$86,100
Inventory, April 30 (600 units)	(12,600)
Total cost of goods sold			(73,500)
Gross profit			$30,900
Selling and administrative expenses			(17,520)
Operating income			$13,380

If the fixed manufacturing costs were $18,942 and the fixed selling and administrative expenses were $8,580, 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

Contribution marginInventoryManufacturing marginSalesVariable cost of goods manufacturedVariable selling and administrative expensesSales		$Sales
Variable cost of goods sold:
Contribution marginFixed manufacturing costsVariable cost of goods manufacturedVariable cost of goods soldVariable selling and administrative expensesVariable cost of goods manufactured	$Variable cost of goods manufactured
Fixed manufacturing costsInventory, April 30Fixed selling and administrative expensesManufacturing marginSalesInventory, April 30	Inventory, April 30
InventorySalesTotal variable cost of goods manufacturedTotal variable cost of goods soldTotal variable selling and administrative expensesTotal variable cost of goods sold		Total variable cost of goods sold
Contribution marginFixed manufacturing costsInventoryManufacturing marginSalesManufacturing margin		$Manufacturing margin
Manufacturing marginSalesVariable cost of goods manufacturedVariable cost of goods soldVariable selling and administrative expensesVariable selling and administrative expenses		Variable selling and administrative expenses
Contribution marginFixed selling and administrative expensesInventoryManufacturing marginSalesContribution margin		$Contribution margin
Fixed costs:
Fixed manufacturing costsFixed inventoryVariable cost of goods manufacturedVariable cost of goods soldVariable selling and administrative expensesFixed manufacturing costs	$Fixed manufacturing costs
Fixed selling and administrative expensesFixed inventoryFixed salesVariable cost of goods soldVariable selling and administrative expensesFixed selling and administrative expenses	Fixed selling and administrative expenses
Contribution marginOperating incomeManufacturing marginSalesTotal fixed costsTotal fixed costs		Total fixed costs
Operating incomeLoss from operationsOperating income		$Operating income