Enter the missing dollar amounts for the income statement for each of the following independent cases? = "?"

	Case A		Case B		Case C
Net sales revenue		$7,500		?		$5,050
Beginning inventory	$11,200		$7,000		$4,000
Purchases	4,500		?		9,500
Goods available for sale	15,700		15,050		13,500
Ending inventory	9,000		11,050		9,300
Cost of goods sold		6,700		?		4,200
Gross profit		?		800		850
Expenses		300		?		700
Pretax income (loss)		$500		$(200)		$150