Kountry Kitchen has a cost of equity of $11\mathrm{.}5$ percent, a pretax cost of debt of $6\mathrm{.}1$ percent, and the tax rate is $21$ percent. If the company's WACC is $8\mathrm{.}86$ percent, what is its debt$-$equity ratio?

Multiple Choice

$\mathrm{.}40$

$1\mathrm{.}53$

$\mathrm{.}65$

$1\mathrm{.}62$

$\mathrm{.}78$