8) The financial department of a company that manufactures portable MP3 players arrived at the following daily cost equation for manufacturing x MP3 players per day: C(x) = 1500 + 105x +x2. The average cost per unit at a production level of players per day is C(x) = C(x) x . (A) Find the rational function C. (B) Graph the average cost function on a graphing utility for 10 x 200. (C) Use the appropriate command on a graphing utility to find the daily production level (to the nearest integer) at which the average cost per player is a minimum. What is the minimum average cost (to the nearest cent)?