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The total cost (in dollars) of manufacturing x auto body frames is C(x) = 40,000 + 200x (A) Find the average cost per unit if 100 frames are produced, (B) Find the marginal average cost at a production level of 100 units. (C) Use the results from parts (A) and (B) to estimate the average cost per frame if 101 frames are produced (A) If 100 frames are produced, the average cost is $ per frame