Scientific Evidence Suggests That Consumption of Foods Rich in Fiber

Multiple Choice

Scientific evidence suggests that consumption of foods rich in fiber lowers cholesterol.As a result, the demand for bran increases at every price by 5,000 bushels and the supply curve for bran is perfectly price elastic.The quantity of bran consumed will

A) not change.
B) change unless the demand curve is perfectly inelastic.
C) rise by exactly 5,000 bushels.
D) not rise by exactly 5,000 bushels unless the demand curve is perfectly inelastic.