Answer:
b. 7.70%
Explanation:
The computation of the rate of return is shown below:
= Real risk free rate + inflation rate + maturity risk premium
= 4.20% + 3.10% + 0.40%
= 7.70%
The maturity risk premium is
= 0.10% × 4
= 0.40%
Basically we added the risk free rate, inflation rate and the maturity risk premium so that the rate on return on a treasury security could come