Answer:
option 3.20%
Explanation:
0.055-0.019-0.004 =0.032 = 3.20%
The inflation premium is added to the real risk-free rate as well to the maturity risk premium
A no risk rate would be 3.2
because there is a certain change for inflation a premium is added, also another premium is added to prevent investor to purchase the bond on a lower price.