E7-2 (Algo) Inferring Missing Amounts Based on Income Statement Relationships L07-1 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 $ 7,700 6,050 Beginning inventory $ 11,070 $ 6,580 $ Purchases 4,850 3,940 9,490 13,430 Goods available for sale 15,140 10,280 10,930 4,450 Ending inventory Cost of goods sold Gross profit Expenses Pretax income (loss) 1,370 290 550 $ 1,770 $ (500) $ 1,050