Branson Manufacturing has a target debi$-$equity ratio of $45.$ Its cost of equity is $11$ percent, and its pretax cost of debt is $6$ percent. If the tax rate is $25$ percent, what is the company's WACC?

Nole: Do not round Intermediate calculations and enter your answer as a percent rounded to $2$ declmal ploces, $0\mathrm{.}9.,32\mathrm{.}16.$