The Following Schedule Represents a Portion of Tim's Demand for Video

The following schedule represents a portion of Tim's demand for video rentals each month. $\begin{array}{cc}\text { Price } & \text { Quantity Demanded } \\&\text { per Month }\\\$4&8\\\$3&9\\\$2&10\end{array}$

Along this portion of Tim's demand curve for video rentals, price elasticity of demand is:

A) equal to zero.
B) less than one.
C) equal to one.
D) greater than one.
E) infinite.