The cost of a car, in dollars, t years after its purchase is $20,000 - $3,000t. which statement is correct? explain too. a. the cost of the car increases every year by $3,000. b. the cost of the car depreciates every year by $3,000. c. the cost of the car increases every year by $20,000. d. the cost of the car depreciates every year by $20,000.