Suppose $10-$year T$-$bonds have a yield of $5\mathrm{.}30\%$ and $10-$year corporate

bonds yield $6\mathrm{.}10\%.$ Also, corporate bonds have a $0\mathrm{.}25\%$ liquidity

premium versus a zero liquidity premium for T$-$bonds, and the maturity

risk premium on both Treasury and corporate $10-$year bonds is $1\mathrm{.}15\%.$

What is the default risk premium on corporate bonds?

$0\mathrm{.}46\%$

$0\mathrm{.}56\%$

$0\mathrm{.}68\%$

$0\mathrm{.}55\%$

$0\mathrm{.}64\%$