Menlo Company distributes a single product. The company's sales and expenses for last month follow: Per Unit $ 40 28 Total Sales Variable expenses $612,000 428,400 $ 12 Contribution margin Fixed expenses 183,600 145,200 Net operating income $ 38,400 Required. 1. What is the monthly break-even point in unit sales and in dollar sales? Break-even point in unit sale:s 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