Exhibit $20-2$

Below is a payoff table involving three states of nature and two decision alternatives.

Decision States of Nature

Alternative s$1$ s$2$ s$3$

A $804520$

B $405015$

P$($s$1)=\mathrm{.}1,$ P$($s$2)=\mathrm{.}6,$ and P$($s$3)=\mathrm{.}3.$

Refer to Exhibit $20-2.$ The expected value of perfect information equals $\_\_\_\_\_.$

a$.4$

b$.29$

c$.37$

d$.12$