Menlo Compan y distributes a single product. The company's sales and expenses for last month follow: Per Unit $ 20 14 Total Sales Variable expenses 215,600 Contribution margin Fixed expenses 92,400 75,000 $ 6 Net operating income S 17,400 Required: 1. What is the monthly break-even point in unit sales and in dollar sales? Break-even point in unit sales Break-even point in sales dollars units 2. Without resorting to computations, what is the total contribution margin at the break-even point? Total contribution margin 3-a. How many units would have to be sold each month to earn a target profit of $33,600? Use the formula method nits sold