An increase in quantity demanded caused no change in the equilibrium price. Thus, demand must be

A) perfectly inelastic.
B) inelastic.
C) elastic.
D) perfectly elastic.

Equilibrium Price

The price at which the quantity of goods supplied is equal to the quantity of goods demanded in a market.

Quantity Demanded

The total amount of goods or services that consumers are willing and able to purchase at a given price level.

Demand

The amount of a particular good or service that consumers are willing and able to purchase at various prices during a certain period of time.