help please and thank you

Kern Corporation's 5-year bonds yield 9.00% and 5 -year T-bonds yield 550%. The real risk-free rate is r=3.30%, the default risk premium for Kern's bonds is DRP =2.20% verstus zero for T-bonds, the liquidity premium on Kern's bonds is LP =1.30%, and the maturity risk premium for all bonds is found with the formula MRP=(t1)0.1%, where t= number of years to maturity. What is the inflation premium (IP) on all 5 -year bonds? a. 1.80% b. 2.90%. c. 1.74% d. 0.90% e. 2.20%