Answer:
a. True
Step-by-step explanation:
from the CAPM formula we can derive the statemeent as true.
risk free = 0.05
market rate = 0.12
premium market = (market rate - risk free) 0.07
beta(non diversifiable risk) = 0
Ke 0.05000
As the beta multiplies the difference between the market rate and risk-free rate a beta of zero will nulify the second part of the equation leaving only the risk-free rate. This means the portfolio is not expose to volatility