Which of the Following Is an Example of the Law

Multiple Choice

Which of the following is an example of the law of demand?

A) A decrease in the price of milk is followed by an increase in milk purchases.
B) A decrease in the price of milk is followed by a decrease in milk purchases.
C) An increase in the price of milk has no effect on the amount of milk purchased.
D) The amount of milk purchased increases when the price is constant.