Which of the Following Statements Is Correct

Multiple Choice

Which of the following statements is correct?

A) Because it is expensive to change prices in a command economy, they do not change very often.
B) Prices in a command economy generally provide consumers with appropriate information concerning scarcity and opportunity cost.
C) The price system in a command economy is anonymous.
D) Only the prices of basics such as food are allowed to change on a regular basis in a command economy.