need answer for 3-b and 4

Menlo Company distributes a single product. The company's sales and expenses for last month follow: Sales Variable expenses Total $ 302,000 211,400 Per Unit $ 20 14 $ 6 Contribution margin Fixed expenses 90,600 73,200 Net operating income $ 17,400 Required: 1. What is the monthly break-even point in unit sales and in dollar sales? Answer is complete and correct. 12.200 units Break-even point in unit sales Break-even point in sales dollars $ 244,000 3-b. Verify your answer by preparing a contribution format income statement at the target sales level. Answer is complete but not entirely correct. Menlo Company Contribution Income Statement Per Total unit Sales $ 370,000 $ 20 Variable expenses 259,000 14 Contribution margin 111,000 $ 6 Fixed expenses 73,200 Net operating income $ 37,800 4. Refer to part 3 and now assume that the tax rate is 40%. How many units would need to be sold each month to an after-tax target profit of $28,800? (Round the final answer to the nearest whole number.) units Unit sales required