Calculate the aftertax cost of debt under each of the folfowing conditions. $($Do not round intermediate calculations. Input you answers as a percent rounded to $2$ decimal places.$)$

$\backslash$table$[[$a$.,$Yield,$\backslash$table$[[$Corporate$],[$Tax Rate$]],\backslash$table$[[$Aftertax Cost$],[$of Debt$]]],[8\mathrm{.}0\%,22,\%,$th$,\%$