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The Apple Restaurant is a take-out food store at a beach resort. Mary, owner of the restaurant, is deciding how much refrigerator space to devote to four different drinks. Data for the four drinks are as follows: Mary 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 shelf space for each drink. Required: What shelf-space allocation for the four drinks would you recommend for the company? Show your calculations. How much contribution margin will Mary earn each day