Menlo Company distributes a single product. The company's sales and expenses for last month follow: Per Unit S 40 28 Total Sales Variable expenses $624,000 436,800 $ 12 Contribution margin Fixed expenses 187,200 146,400 Net operating income $ 40,800 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 2. Without resorting to computations, what is the total contribution margin at the break-even point? Total contribution margin