Enter the missing dollar amounts for the income statement for each of the following independent cases. (Hint: In Case B, work from the bottom up.) Case A Case B Case C Net sales revenue $ 7,580 $ 6,080 $ 11,060 $ 6,580 $ 3,940 Beginning inventory Purchases 4,970 9,390 13,330 Goods available for sale 15,150 10,980 10,380 4,370 Ending inventory Cost of goods sold Gross profit Expenses Pretax income (loss) 1,440 290 560 $ 1,640 $ (420) $ 1,150