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 $ 7,660 6,130 Beginning inventory $ $ 6,640 $ 11,160 4,980 Purchases 3,850 9,310 13,160 Goods available for sale 15,230 10,200 11,050 4,360 Ending inventory Cost of goods sold Gross profit Expenses Pretax income (loss) 1,420 320 560 1,870 (450) $ 1,400 $ $ 1,210