Assume That the Demand Curve for a Certain Good Is

Multiple Choice

Assume that the demand curve for a certain good is a vertical line.This vertical demand curve illustrates the idea that:

A) consumers are unwilling to pay more than a certain price for the good.
B) the good is a complement to another good.
C) consumers are unwilling to pay less than a certain price for the good.
D) there are many substitutes for this good.
E) people will not change the quantity of the good when the price of the good is changed.