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 (4,900 units)		$93,100
Cost of goods sold:
Cost of goods manufactured (5,800 units)	$75,400
Inventory, April 30 (800 units)	(10,400)
Total cost of goods sold		(65,000)
Gross profit		$28,100
Selling and administrative expenses		(15,310)
Operating income		$12,790

If the fixed manufacturing costs were $15,080 and the fixed selling and administrative expenses were $7,500, prepare an income statement according to the variable costing concept. Round all final answers to whole dollars.

Contribution marginInventoryManufacturing marginSalesVariable cost of goods manufacturedVariable selling and administrative expenses		$- Select -
Variable cost of goods sold:
Contribution marginFixed manufacturing costsVariable cost of goods manufacturedVariable cost of goods soldVariable selling and administrative expenses	$- Select -
Fixed manufacturing costsInventory, April 30Fixed selling and administrative expensesManufacturing marginSales	- Select -
InventorySalesTotal variable cost of goods manufacturedTotal variable cost of goods soldTotal variable selling and administrative expenses		- Select -
Contribution marginFixed manufacturing costsInventoryManufacturing marginSales		$- Select -
Manufacturing marginSalesVariable cost of goods manufacturedVariable cost of goods soldVariable selling and administrative expenses		- Select -
Contribution marginFixed selling and administrative expensesInventoryManufacturing marginSales		$- Select -
Fixed costs:
Fixed manufacturing costsFixed inventoryVariable cost of goods manufacturedVariable cost of goods soldVariable selling and administrative expenses	$- Select -
Fixed selling and administrative expensesFixed inventoryFixed salesVariable cost of goods soldVariable selling and administrative expenses	- Select -
Contribution marginOperating incomeManufacturing marginSalesTotal fixed costs		- Select -
Operating incomeLoss from operations		$- Select -