Here is some information about Stokenchurch Incorporated:Beta of common stock $=1\mathrm{.}9$Treasury bill rate $=4\%$Market risk premium $=7\mathrm{.}2\%$Yield to maturity on long$-$term debt $=5\%$Book value of equity $=$ $$410$ millionMarket value of equity $=$ $$820$ millionLong$-$term debt outstanding $=$ $$820$ millionCorporate tax rate $=21\%$What is the company$$s WACC?Note: Do not round intermediate calculations. Enter your answer as a percent rounded to $2$ decimal places.$$