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The cost function for producing xunits of a product is given by C(53) : 0.0532 + 26.1: + 78, where the cost is measured in dollars. The revenue function is given by R($) : 15 + 3:2, where the revenue is measured in dollars. A. Find the marginal cost when x: 36. B. Find the prot from the sale of 75 units. The cost function for producing xunits of a product in a month is given by C(32) : 14.11: + 2310, where the cost is measured in dollars. The product sells for $28 per unit. A. How many units per month must be produced and sold to break even? B. Find the prot from the sale of 210 units per month