Please help! And please explain how to get answers so I can learn how to do it on future problems. Thanks in advance! I'll be sure to give a thumbs up.

Menlo Company distributes a single product. The company's sales and expenses for last month follow: Total $310,000 217,000 Per Unit $ 20 14 Sales Variable expenses $ 6 Contribution margin Fixed expenses 93,000 72,000 $ 21,000 Net operating income Required: 1. What is the monthly break-even point in unit sales and in dollar sales? Break-even point in unit sales units Break-even point in sales dollars the break-even point? 2. Without resorting to computations, what is the total contribution margin Total contribution margin 3-a. How many units would have to be sold each month to earn a target profit of $41,400? Use the formula method. Units sold 3-b. Verify your answer by preparing a contribution format income statement at the target sales level. Menlo Company Contribution Income Statement Total Per unit 4. 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 (i.e.1234 should be entered as 12.34). Dollars Percentage Margin of safety 5. What is the company's CM ratio? If monthly sales increase by $57,000 and there is no change in fixed expenses, by how much would you expect monthly net operating income to increase? CM ratio Net operating income increases by