Menlo Company distributes a single product. The company's sales and expenses for last month follow: Sales Variable expenses Contribution margin Fixed expenses Operating income Total $481,500 Per Unit $ 30 192,600 288,900 231,120 12 $ 18 $ 57,780 Required: 1. What is the monthly break-even point in unit sales and in dollar sales? (Do not round intermediate calculations.) 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