Lannister Manufacturing has a target debt$-$equity ratio of $0\mathrm{.}51.$ Its cost of equity is $18$ percent, and its cost of debt is $10$ percent. If the tax rate is $32$ percent, what is the company's WACC?

Multiple Choice

$10\mathrm{.}58\%$

$14\mathrm{.}22\%$

$14\mathrm{.}93\%$

$13\mathrm{.}51\%$

$12\mathrm{.}29\%$