Homework: Homework 3, Due 2/21 Ho Score: 0 of 1 pt 31 of 34 (29 complete) 2.7.35-BE The total cost (in dollars) of manufacturing x auto body frames is C(x) = 50,000+ 900x. (A) Find the average cost per unit if 400 frames are produced. (B) Find the marginal average cost at a production level of 400 units. ame: (C) Use the results from parts (A) and (B) to estimate the average cost per frame if 401 frames are produced. ue: (A) If 400 frames are produced, the average cost is $ per frame. ast w Curren