Supply the missing dollar amounts for each of the following independent cases:

Cases	Sales Revenue	Beginning Inventory	Purchases	Cost of Goods Available for Sale	Cost of Goods Sold	Cost of Ending Inventory	Gross Profit
A	$1,600	$1,000	$1,700		$1,280
B	1,800	1,100	1,700			1,080
C		1,000			1,100	1,200	1,300
D	1,780		1,500		1,550	1,150
E	1,900	950	1,800				1,480