7. The cost in dollars of producing a certain toy is given by c(x) = 0.005x -0.5x 4 28x 4300 a. Find and interpret C(50) b. Compute the exact cost of producing the 51" toy. c. Find and interpret the marginal cost, C'(50). d. Find the average cost per toy if 50 toys are produced. e. Find the marginal average cost at a production level of 50 toys. Interpret the result. f. Use the results from parts d and e to approximate the average cost per toy when 51 toys are produced