Pro Bike manufactures and sells two types of bikes: road bikes and mountain bikes. The company sold 600 units of each type of bike during the year. Per unit Sales price Variable cost of goods sold Variable selling and administrative expenses a. Compute contribution margin (in dollars) for each product. Road bikes Mountain bikes $ 1,200 $ 800 840 60 480 64 b. Compute contribution margin ratio for each product. Which product has the better contribution margin ratio? Complete this question by entering your answers in the tabs below. 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? < Required A Required B >