Keys Corporation's 5-year bonds yield 5.10% and 5-year T-bonds yield 4.40%. The real risk-free rate is r* = 2.5%, the inflation premium for 5-year bonds is IP = 1.50%, the liquidity premium for Keys' bonds is LP = 0.5% versus zero for T-bonds, and the maturity risk premium for all bonds is found with the formula MRP = (t 1) 0.1%, where t = number of years to maturity. What is the default risk premium (DRP) on Keys' bonds? a. 0.19% b. 0.24% c. 0.20% d. 0.22% e. 0.17%