GM has bonds outstanding that mature in $18$ years, have a $7$ percent coupon, and pay interest annually. These bonds have a face value of $$1,000$ and a current market price of $$1,120.$ What is the company's aftertax cost of debt if its tax rate is $30$ percent? Select the choice that is closest to your answer.

$4\mathrm{.}13$ percent

$4\mathrm{.}25$ percent

$4\mathrm{.}28$ percent

$4\mathrm{.}67$ percent