Please show work and formulas for each answer.

E5-10 (Algo) Inferring Income Statement Values LO5-3 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 B Case C Case D Case E Case A $ 970 Sales revenue $ 780 $ 430 310 660 370 390 410 Cost of goods sold Gross margin Selling expense Administrative expense Pretax income 145 85 370 220 145 115 110 75 220 210 180 Income tax expense 45 55 70 50 Net income 145 40 65