A perfectly inelastic demand schedule:

A) rises upward and to the right but has a constant slope.
B) can be represented by a line parallel to the vertical axis.
C) cannot be shown on a two-dimensional graph.
D) can be represented by a line parallel to the horizontal axis.

Perfectly Inelastic

Describes a situation in demand or supply where the quantity demanded or supplied does not change in response to a price change.

Demand Schedule

A table that shows the quantity of a good that consumers are willing to buy at different prices.

Parallel

Lines or paths that remain the same distance apart at every point, never meeting or intersecting.