Security

Term

$($years$)$

Yield

$(\%)$

Treasury

$20$

$5\mathrm{.}5\%$

AAA Corporate

$20$

$7\mathrm{.}0\%$

BBB Corporate

$20$

$8\mathrm{.}0\%$

B Corporate

$20$

$9\mathrm{.}6\%$

The credit spread on BBBminus$$rated corporate bonds$$ is: