Kristen Lu purchased a used automobile for $23,300 at the beginning of last year and incurred the following operating costs: Depreciation ($23,300 + 5 years) Insurance, Garage rent Automobile tax and license $ 4,660 $ 2,400 $1,300 $640 $0.08 per mile Variable operating cost The variable operating cost consists of gasoline, oil, tires, maintenance, and repairs. Kristen estimates that, at her current rate of usage, the car will have zero resale value in five years, so the annual straight-line depreciation is $4,660. The car is kept in a garage for a monthly fee. Required: 1. Kristen drove the car 18,000 miles last year. Compute the average cost per mile of owning and operating the car. (Round your answers to 2 decimal places.) Average fixed cost per mile Variable operating cost per mile Average cost per mille