The following table summarizes the YTM for similar ten $-$ year corporate bonds of various credit ratings:

$\backslash$table$[[$Rating$,$AAA,AA$,$A$,$BBB$,$BB$],[$YTM$,6\mathrm{.}88\%,7\mathrm{.}08\%,7\mathrm{.}18\%,7\mathrm{.}58\%,8\mathrm{.}08\%$