Supply the missing dollar amounts for each of the following independent cases: Cases Cost of Goods Available for Sale Cost of Goods Sold $ 840 Cost of Ending Inventory Gross Profit A B Sales Beginning Revenue Purchases Inventory $ 1,150 $ 550 $ 1,250 1,350 650 1,250 550 1,340 1,050 1,450 500 1,350 640 750 850 650 1,100 D 700 E 1,040