If 10-year Treasury bonds have a yield of 4.3%, 10-year corporate bonds yield 6.7%, the maturity risk premium on all 10-year bonds is same, and corporate bonds have a 0.3% liquidity premium vs. a zero...

If 10-year Treasury bonds have a yield of 4.3%, 10-year corporate bonds yield 6.7%, the maturity risk premium on all 10-year bonds is same, and corporate bonds have a 0.3% liquidity premium vs. a zero liquidity premium for T-bonds,what is the default risk premium on the corporate bond?