Answer: 16.82%
Step-by-step explanation:
The expected return of an investment is a weighted average of the different returns given the probabilities that certain states occur in the economy.
=( 18% * 20%) + (42% * 16%) + (30% * 3%) + (10% * -25%)
= 0.036 + 0.0672 + 0.009 - 0.025
= 0.1682
= 16.82%