You sell​ high-quality used cars but find that many people are skeptical about your claims of quality. Which of the following could you do to help convince prospective buyers about the quality of the cars you sell.
A. Offer an extended warranty on each car you sell.
B. Provide an extensive evaluation of each car rather than letting prospective buyers take cars to their own mechanics.
C. Charge prices that are below average.
D. All of the above.