A consulting firm, using statistical methods, provided a veterinary clinic with the cost equation C(x) = 0.00048(X - 300)3 + 228,000 100 S x S 1,000 where C(x) is the cost in dollars for handling x cases per month. The average cost per case is given by C(x) = C(X) X Complete parts (A) through (C). (A) Write the equation for the average cost function C. 0.00048(x - 300) + 228,000 C(X) = X (B) Graph C on a calculator. Choose the correct graph below. O A. O B. O C. O D. [100, 1000] by [0, 2400]