An outboard motor has an initial price of $1,440. A service contract costs $350 for the first year and increases $100 per year thereafter. The total cost of the outboard motor (in dollars) after n years is given by C(n) = 1,440 + 200n+ 40n, where n1. Complete parts (A) through (C). A. OB. Ay 4,500 0 20 20 G 4,500- 20 G C. O D. Ay Q 4,500 4,500- 0 20 G 20 (C) When is the average cost per year minimum? (This time is frequently referred to as the replacement time for this piece of equipment.) The average cost per year is minimum after years. G