If 10-year T-bonds have a yield of 5.9%, 10-year corporate bonds yield 8.2%, the maturity risk premium on all 10-year bonds is 1.3%, and corporate bonds have a 0.4% liquidity premium versus a zero liquidity premium for T-bonds, what is the default risk premium on the corporate bond? a. 2.70% b. 2.30% c. 1.90% d. 0.60% e. 4.60%