Answer:
A. 13.8
Step-by-step explanation:
In this question, we are applying the Capital Asset Pricing Model (CAPM) formula shown below 
Expected rate of return = Risk-free rate of return + Beta × (Market rate of return - Risk-free rate of return) 
= 4% + 1.4 × (11% - 4%) 
= 4% + 1.4 × 7% 
= 4% + 9.8% 
= 13.8% 
The Market rate of return - Risk-free rate of return) is also called as the market risk premium.