Problem $13-2$ WACC $($LO$1)$Here is some information about Stokenchurch Inc.:$$Beta of common stock $=1\mathrm{.}7$Treasury bill rate $=4\%$Market risk premium $=8\mathrm{.}0\%$Yield to maturity on long$-$term debt $=9\%$Book value of equity $=$ $$490$ millionMarket value of equity $=$ $$980$ millionLong$-$term debt outstanding $=$ $$980$ millionCorporate tax rate $=35\%$What is the company$$s WACC?