Having trouble to solve this problem, please show work or expalin so i can understand it. Thank you

Fill in the blanks in the following separate income statements a through e. (Amounts to be deducted should be indicated by a minus sign.) a b d Sales $ 62,000 $ 43,500 S 46,000 $ 25,600 Cost of goods sold Merchandise inventory (beginning) 17,050 8,000 7,500 8,000 4,560 Total cost of merchandise purchases Merchandise inventory (ending) 38,000 32,000 (6,600) 6,600 (3,000) (9 000) Cost of goods sold 34,050 16,000 7,000 Gross profit Expenses 3,750 45,600 10,000 3,600 12,150 $ 16,850 $ (8,400) $ 42,000 10,650 6,000 Net income (loss)