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2. Landscaping firm. Ming has a part time job after school at a grocery store which pays him $16 an hour. He also has neighbors who would be willing to hire him to mow their lawn. In order to mow a lawn, Ming needs a lawnmower: with a standard lawnmower he can mow two lawns in an hour, and with a turbo lawnmower he can mow four. He can rent a standard mower for $12 per week or a turbo mower for $40. a. What is Ming's marginal product of labor using the standard and turbo mower respectively? b. Suppose in the short run Ming is committed to using the standard mower. What is his short-run cost function for lawns mown per week? c. In the short-run, how much of his cost function is fixed, and how much is variable? d. Suppose instead that in the short-run Ming is committed to using the turbo mower. What is his short-run cost function? e. In the short-run, how much of his cost function is fixed, and how much is variable