Ying Import has several bond issues outstanding, each making semiannual interest payments. The bonds are listed in the following table. If the corporate tax rate is $32$ percent, what is the aftertax cost of Ying's debt?

Multiple Choice

$3\mathrm{.}49\%$

$3\mathrm{.}46\%$

$3\mathrm{.}64\%$

$3\mathrm{.}82\%$

$5\mathrm{.}35\%$