Blackwater Adventures has a bond issue outstanding that matures in sixteen years. The bonds pay interest semi$-$annually. Currently, the bonds are quoted at $103$ percent of face value and carry a $9$ percent coupon. The firm's tax rate is $34$ percent. What is the firm's after$-$tax cost of debt?

$7\mathrm{.}86$ percent

$11\mathrm{.}41$ percent

$5\mathrm{.}19$ percent

$5\mathrm{.}71$ percent

$8\mathrm{.}65$ percent