If 10 -year T-bonds have a yield of 6.2%,10-year corporate bonds yield 7.4%, the maturity risk premium on all 10 -year bonds is 1.3%, and corporate bonds have a 0.45% liquidity premium versus a zero-liquidity premium for T-bonds, what is the default risk premium on the corporate bond? 0.69% 0.67% 0.80% 0.75%