Mountain bikes Pro Bike manufactures and sells two types of bikes: road bikes and mountain bikes. The company sold 610 units of each type of bike during the year. Per unit Road bikes Sales price $ 1,500 $ 1,400 Variable cost of goods sold 750 Variable selling and administrative expenses a. Compute contribution margin (in dollars) for each product. b. Compute contribution margin ratio for each product. Which product has the better contribution margin ratio? 850 80 90 Complete this question by entering your answers in the tabs below. Required a Required B Compute total contribution margin (in dollars) for each product. Road bikes Mountain bikes Contribution margin Required B > Required A Required B Compute contribution margin ratio for each product. Which product has the better contribution margin ratio? Road bikes Mountain bikes Contribution margin ratio % Which product has the better contribution margin ratio? %