If 10-year T-bonds have a yield of 6.2%, 10-year corporate bonds yield 7.9%, 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. 1.51% b. 1.30% C. 1.60% d. 1.46% e. 1.40%