Please show me how u find inputs.

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 earn a target profit of a. $31,200? Use the formula method. Menlo Company distributes a single product. The company's sales and expenses for last month follow: Total Per Unit Sales $308,000 $20 Variable expenses 215,600 14 Contribution margin 92,400 $ 6 Fixed expenses 74,400 Net operating income $ 18,000 Required: 1. What is the monthly break-even point in unit sales and in dollar sales? 3- Verify your answer by preparing a contribution format income statement at the target b. sales level