Find the correct statement/statements.
(A) Goods which are consumed together are called complementary goods.
(B) The market demand curve can be derived as a vertical summation of the individual demand curves.
(C) Price elasticity of demand is a measure of the responsiveness of the demand for a good to changes in its price.
(D) If the consumer’s preferences change in favor of a good, the demand curve for such a good shifts leftward.