Answer:
C. 7.81%
Explanation:
Stock A and Stock B expected Return shall be calculated using the following formula:
Stock A/B expected return=Probability@Boom*Return at Boom+Probability@Normal*Return at Normal+Probability@Recession*Return at Recession.
Stock A return=0.21*18.9%+0.74*15.8%+0.05*-24.6%
=14.43%
Stock B return=0.21*9.7%+0.74*7.6%+0.05*4.2%
=7.87%
Market risk premium=(Stock A Return- Stock B return)/0.84
Market risk premium=(14.43%-7.87%)/0.84=7.81%
So Based on the above explanation, the answer shall be C. 7.81%