please only answer 3-b , 4, and 5

Menlo Company distributes a single product. The company's sales and expenses for last month follow: 3-a. How many units would have to be sold each month to earn a target profit of $105,300 ? Use the formula meth Answer is complete and correct. 3-b. Verify your answer by preparing a contribution format income statement at the target sales level. (x) Answer is complete but not entirely correct. 3-b. Verify your answer by preparing a contribution format income statement at the target sales level. Answer is complete but not entirely correct. 4. Refer to part 3 and now assume that the tax rate is 30%. How many units would need to be sold each month for an after-tax target profit of $105,300 ? (Round the final answer to the nearest whole number.) (8) Answer is complete but not entirely correct. 5. Refer to the original data. Compute the company's margin of safety in both dollar and percentage terms. (Round your percentage answer to 2 decimal places.) Answer is complete but not entirely correct. 6. What is the company's CM ratio? If sales increase by $58.500 per month and there is no change in fixed expenses, by how much would you expect monthly net operating income to increase? (Round your percentoge enswer to 2 decimol ploces and other answer to the nearest whole dollar omount.)