A change in the quantity demanded of a given commodity is determined by the?

A. size of the population
B. income of the consumer
C. price of the commodity
D. taste and fashion

Correct Answer: Option C

C. price of the commodity

Explanation

A movement along a given demand curve caused by a change in demand price. The only factor that can cause a change in quantity demanded is price. A related, but the distinct, concept is a change in demand. This change in quantity demanded is caused by a change in the demand price.