Based on the data provided here, calculate the items requested: Annual depreciation Current year's loan interest Insurance Average gasoline price Parking/tolls $2,500 $ 660 $ 725 $ 4.00 per gallon $ 480 Annual mileage Miles per gallon License and registration fees Oil changes/repairs 13,560 24 $ 80 $ 460 a. Calculate total annual operating cost of the motor vehicle. Total variable cost Total fixed cost Total annual operating cost b. Calculate operating cost per mile. (Round your answer to 2 decimal places.) Operating cost per mile