Cost, revenue, and profit are in dollars and x is the number of units. Suppose that the marginal revenue for a product is MR = 1200 and the marginal cost is MC = 30√x +4, with a fixed cost of $500. (a) Find the profit or loss from the production and sale of 5 units. There is a [---Select---✓ of $ (b) How many units will result in a maximum profit? units

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