Use the Following for Questions 124-127

Multiple Choice

Use the following for questions 124-127.
Exhibit: Estimating Price Elasticity

-(Exhibit: Estimating Price Elasticity) The demand curve D₄ shows that:

A) there is no change in quantity demanded in response to a price change.
B) there is a quantity response only to a price decrease.
C) demand is perfectly price elastic.
D) demand is price elastic only in response to a price increase.