EXERCISE5-18 Break-Even and Target Profit Analysis; Margin of Safety; CM Ratio LO5-1, LO5-3, LO5-5, LO5-6, LOS-7 Menlo Company distributes a single product. The company's sales and expenses for last month follow: Required: 1. What is the monthly break-even point in unit sales and in dollar sales? 2. Without resorting to computations, what is the total contribution margin at the break-even point? 3. How many units would have to be sold each month to attain a target profit of $90,000 ? Verify your answer by preparing a contribution format income statement at the target sales level. 4. Refer to the original data. Compute the company's margin of safety in both dollar and percentage terms