Exhibit 20-2 Below is a payoff table involving three states of nature and two decision alternatives.

Decision	States of Nature
Alternative	s1	s2	s3
A	80	45	-20
B	40	50	15

P(s₁) = .1, P(s₂) = .6, and P(s₃) = .3. Refer to Exhibit 20-2. The expected value of the best alternative equals _____.

a. 29

b. 38.5

c. 105

d. 12