Answer: 4.7%
Step-by-step explanation:
Expected return is calculated as:
= Risk free return + Beta ( Market risk premium)
10.8% = 5% + (1.22 × Market risk premium)
10.8% - 5% = 1.22market risk premium
5.8%/1.22 = market risk premium
Market risk premium = 0.058/1.22
Market risk premium = 0.047
Market risk premium = 4.7%