Which of the Following Must Be True of an Attorney

Multiple Choice

Which of the following must be true of an attorney who buys a portable computer so that she can work on trains and planes?

A) She is engaging in conspicuous consumption.
B) She gets utility from working.
C) She thinks the opportunity cost of her time is higher than it really is.
D) She thinks the opportunity cost of her time is lower than it really is.
E) She is trying to reduce the opportunity cost of traveling.