Problem $14-22$ Calculating the Cost of Debt $[$LO$2]$

Ying Import has several bond issues outstanding, each making semiannual interest payments. The bonds are listed in the following table.

Bond Coupon Rate Price Quote Maturity Face Value

$15\mathrm{.}6\%105\mathrm{.}366$ years $ $54,000,000$

$27\mathrm{.}2114\mathrm{.}129$ years $49,000,000$

$37\mathrm{.}1112\mathrm{.}6716\mathrm{.}5$ years $69,000,000$

$46\mathrm{.}4101\mathrm{.}9126$ years $76,000,000$

If the corporate tax rate is $24$ percent, what is the aftertax cost of the company$$s debt? $($Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$