pls label all parts clearly thanks!

E7-2 (Algo) Inferring Missing Amounts Based on Income Statement Relationships LO7-1 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 $ 7,600 $ 6,110 Beginning inventory $ 11,170 $ 6,540 $ 3,830 Purchases 4,900 9,450 13,280 Goods available for sale 15,200 10,220 10,980 4,370 Ending inventory Cost of goods sold Gross profit Expenses Pretax income (loss) 1,420 210 600 1,540 (560) 1,140