Supply the missing dollar amounts for each of the following independent cases: Sales Beginning Revenue Inventory Cases Total Available Purchases Ending Cost of Inventory Goods Sold Gross Profit Income from Operations Selling and General Expenses $ 450 $ 250 A 450 $ 400 250 B 1,200 3,800 $ 1,100 $ 1,510 810 600 1,520 700 700 1,010 650 500 D 350 800 1,160