Which of the following is not a retailer:
a. a person who sells goods to individuals from the trunk of his/her automobile.
b. a person who gives singing lessons in his/her home.
c. a person who sells you something on the internet.
d. a telephone salesperson asking you to buy a subscription to the local newspaper.
e. all (a through d) of the above are retailers.
Answer: e. all (a through d) of the above are retailers.