Kelly Inc's 5-year bonds yield 7.50% and 5-year T-bonds yield 4.90%. The real risk-free rate is r* = 2.5%, the default risk for Kelly's bonds is DRP = 0.40%, the liquidity premium on Kelly's bonds is LP = 2.2% versus zero on T-bonds, and the inflation premium (IP) is 1.5%. What is the maturity risk premium (MRP) on all 5-year bonds? a. 0.73% b. 0.81% c. 0.90% d. 0.99% e. 1.09%