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5) Rienzi Farms grows sugar cane and soybeans on its 500 acres of land. An acre of soybeans brings a $1000 contribution to overhead and profit; an acre of sugar cane has a contribution of $2000. Because of a government program no more than 200 acres may be planted in soybeans. During the planting season 1200 hours of planting time will be available. Each acre of soybeans requires 2 hours, while each acre of sugar cane requires 5 hours. The company seeks maximum contribution (profit) from its planting decision. a. Formulate the problem as a linear program. (5 points) b. Solve the problem using the graphical solution method. Solve the corner points and show the optimal solution point. Point out the redundant constraint. (15 points) c) Solve for any slack or surplus. (5 points)