Dunder$-$Mifflin, Inc. hires an investment banker for the sale of the $600,000$ bonds from Problem $4.$ The investment banker charges a $2\%$ fee on each bond sold. What is the cost of debt to DMI if the following are the proceeds before the banker's fees are deducted? $($Use information from the previous problem$)$

$$45,000,000?$

$16\mathrm{.}38\%$

$16\mathrm{.}86\%$

$15\mathrm{.}06\%$

$17\mathrm{.}17\%$

$14\mathrm{.}12\%$