Consider the following cost function. a. Find the average cost and marginal cost functions. b. Determine the average and marginal cost when x = a. c. Interpret the values obtained in part (b). 000 = 2000 + 0.6x, 0 5x 5 5000, a = 2700 Consider the following cost function. a. Find the average cost and marginal cost functions. b. Determine the average and marginal cost when x = a. c. Interpret the values obtained in part (b). C(x) = 0.04):3 + 0.4x2 + 30x+110, 05 x 51500, a = 1000