Suppose that a certain car has the following average operating and ownership costs. Average Costs per Mile Operating Ownership Total $0.26 $0.68 $0.94 a. If you drive 20,000 miles per year, what is total annual expense for this car? b. If the total annual expense for this car is deposited at the end of each year into an IRA paying 8.5% compounded yearly, how much will be saved at the end of seven years? Use the formula A = . a. If you drive 20,000 miles per year, the total annual expense for this car is $ (Round to the nearest dollar as needed.) b. If the total annual expense for this car is deposited at the end of each year into an IRA paying 8.5% compounded yearly, the amount saved at the end of seven years is $ . (Round to the nearest dollar as needed.)