Answer:
14.475%
Step-by-step explanation:
In this question, we apply the Capital Asset Pricing Model (CAPM) formula which is shown below
Expected rate of return = Risk-free rate of return + Beta × (Market rate of return - Risk-free rate of return)
= 7.5% + 1.55 × (12% - 7.5%)
= 7.5% + 1.55 × 4.5%
= 7.5% + 6.975%
= 14.475%
The Market rate of return - Risk-free rate of return) is also known as market risk premium