Use the Following to Answer Question(s): Markets and Efficiency

Multiple Choice

Use the following to answer question(s) : Markets and Efficiency

-(Exhibit: Markets and Efficiency) Using Panel (a) , which of the following statements is (are) true?

A) A consumer purchasing apples sends a message to producers that tells them marginal benefit equals or exceeds marginal cost.
B) A consumer's decision to buy apples ratifies the decisions of producers to forgo the production of other goods to produce apples.
C) At the equilibrium price, the marginal benefit of apples to consumers is reflected by the price they are willing to pay and is equal to the marginal cost of apples.
D) All of the above statements are true.