4. Beach Bums is a popular beachside store. Becky, owner of the Beach Bums, is deciding how much refrigerator space to devote to four different drinks. Pertinent data on these four drinks are as follows: Coke Lemonade Water Selling Price per Case $20 $22 $30 Variable Cost per Case $14 $17 $21 Cases Sold per Ft of Shelf Space per Day 10 25 5 Apple Juice $40 $30 20 Becky has a maximum front shelf space of 12 feet to devote to the four drinks. She wants a minimum of 1 foot and a maximum of 6 feet of front shelf space for each drink. a. Calculate the contribution margin of each type of drink. [B6] b. Becky's employee recommends that she maximize the shelf space devoted to those drinks with the highest contribution margin per case. Do you agree with this recommendation? Explain and show your calculations. [B7] c. If there were unlimited shelf space and unlimited demand for all four drinks, which of the drinks would you choose to sell? [B8] d. Given the constraint on shelf space, what shelf-space allocation for the four drinks would you recommend for the Beach Bums? Show your calculations. [A2]