Exercise 1921 (Static) Contribution margin ratio by product line LO A1 Pro: Bike manufactures and selis two types of bikes: road bikes and mountain bikes. The company sold 600 units of each type of bike during the year. 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? Complete this question by entering your answers in the tabs below. Compute total contribution margin (in dollars) for each product. 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? Complete this question by entering your answers in the tabs below. Compute total contribution margin (in dollars) for each product. 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? Complete this question by entering your answers in the tabs below. Compute contribution margin ratio for each product. Which product has the better contribution margin ratio