Which of the Following Statements Is True

Multiple Choice

Which of the following statements is true?

A) In a market system, costs and benefits are publicly posted by individual participants.
B) In a nonmarket system, individuals voluntarily sacrifice self-interest.
C) Only in a market system does greed play a motivational role.
D) It is easy to calculate costs and benefits in a market system.
E) Regardless of the economic system, it is difficult to measure all costs and benefits.