Supply the missing dollar amounts for the current year income statement of NexTech Company for each of the following independent cases. (Input all amounts as positive values.) Case A Case B Case C Case D Case E Sales revenue $ 920 $ 890 $ 570 Cost of goods sold 310 520 390 Gross margin 440 400 Selling expense 105 110 360 230 Administrative expense 135 95 120 80 Pretax income 200 230 230 Income tax expense 30 45 65 25 Net income 130 65 65