A California grower has a 50-acre farm on which strawberries and tomatoes are planted. The profit contribution from an acre of Strawberries is $400and the profit contribution from an acre of Tomatoes is $300. The grower has 300 hours of labor, 800 tons of fertilizer and contracted shipping space for a maximum of 26 acres of strawberries and 37 acres of tomatoes. An acre of Strawberriesrequires 10 labor hoursand 8bags of fertilizer; an acre of Tomatoesrequires 3 labor hoursand 20bags of fertilizer. How high would the profit contribution per acre for strawberries have to be for the grower to use the entire 50 acres for strawberries alone? What is the marginal value of an additional ton of fertilizer? What is the marginal value of an additional acre of land