Select the correct answer. Wilson decided to buy a car. He visited a car showroom to make his choice. He eventually bought a red Corvette that he liked. After a year, he brought the car back to the showroom for maintenance. The mechanics at the showroom tuned up the car for Wilson. What is the differentiation point between the goods and service that Wilson received? A. maintenance service of the car was chargeable B. ownership of the car was transferred C. the car was a perishable commodity D. ownership of the service was transferred