4. (10pt) The cost of maintenance on this new car is expected to be $100 in the first year, and to increase by $75 in each of the following 15 years. What is the equivalent average annual cost (if you were interested in comparing to costs for leasing a vehicle instead)? 4. (10pt) The cost of maintenance on this new car is expected to be $100 in the first year, and to increase by $75 in each of the following 15 years. What is the equivalent average annual cost (if you were interested in comparing to costs for leasing a vehicle instead)