Which of the following statements is true?
A.The coordination of different economic agents and bringing them together to trade is a central problem of a free market economy.
B.The command system is remarkable at providing price signals that guide resources in a way that maximizes social surplus.
C.Market economies minimize waste and provide incentives for all market participants to promote their own interests.
D.The broader interests of societies are met more often in a command system than in a market system.