which of the following statements about the effects of a government setting maximum prices is true?

a. A maximum price will always cause a surplus of a good to be produced.
b. A maximum price will always cause a shortage of Sagood to be produced.
c. A maximum price will cause a surplus of a good to be produced only if the maximum price is above the equilibrium price.
d. A maximum price will cause a shortage of a good to be produced only if the maximum price is below the equilibrium price