Refer to the Following Table That Gives the Demand Facing $$\begin{array} { c c } \text { Price } & \text { Quartity } \\\hline \$ 20 & 20 \\15 & 40 \\10 & 65 \\5 & 70\end{array}$$

Multiple Choice

Refer to the following table that gives the demand facing a monopolist: $$\begin{array} { c c } \text { Price } & \text { Quartity } \\\hline \$ 20 & 20 \\15 & 40 \\10 & 65 \\5 & 70\end{array}$$ Demand is __________ between 65 and 70 units of output because marginal revenue in that range is ______.

A) elastic,$50
B) elastic,$100
C) inelastic,negative
D) inelastic,positive