Many costs are associated with owning a car. Assuming that miles driven is the volume activity, classify each of the following costs associated with car ownership as mainly variable or fixed. a. Purchase price of the car $25,000 b. Finance charges on car loan c. Gas d. Oil changes every 5,000 miles e. Replacement tires f. Insurance costs of $100 per month g. License plate/registration of $200 per year h. SiriusXM Radio subscription cost i. Car washes (one per week) j. Monthly parking fees for work lot k. Traffic violation ticket