Suppose that the marginal revenue for firefighting protective clothes is MR = 258 - cost is MC = 2.5x + 15 with a fixed cost of $260. Assume R(0) = 0. a) How many units will result in a maximum profit? b) Find the revenue function. R(z) c) Find the cost function. C(x) d) What is the maximum profit (to the nearest dollar)? The maximum profit is 2x and the marginal

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