Based on the Following Payoff Table, Answer the Following The Expected Value of Perfect Information Is:
A) 4

Based on the following payoff table, answer the following:
$$\begin{array} { | l | r | r | } \hline { \text { Alternative } } & { \text { Yes } } & { \text { No } } \\\hline \text { Brmall } & 10 & 30 \\\hline \text { Medium } & 20 & 40 \\\hline \text { Mediurn Large } & 30 & 45 \\\hline \text { Large } & 40 & 35 \\\hline \text { Extra Large } & 60 & 20 \\\hline \text { Prior Probability } & 0.3 & 0.7 \\\hline\end{array}$$
The expected value of perfect information is:

A) 4.5.
B) 9.
C) 40.5.
D) 49.5.
E) 60.