Tom's Ventures has a zero$-$coupon bond issue outstanding that matures in thirteen years. The bonds are selling at $48$ percent of par value. The company's tax rate is $34$ percent. What is the company's after$-$tax cost of debt?

$3\mathrm{.}83$ percent

$4\mathrm{.}73$ percent

$5\mathrm{.}81$ percent

$4\mathrm{.}80$ percent

$4\mathrm{.}11$ percent