Here is some information about Stokenchurch Incorporated:

Beta of common stock $=1\mathrm{.}4$

Treasury bill rate $=4\%$

Market risk premium $=6\mathrm{.}7\%$

Yield to maturity on long$-$term debt $=10\%$

Book value of equity $=$$$360$ million

Market value of equity $=$$$720$ million

Long$-$term debt outstanding $=$$$720$ million

What is the company's WACC?

Note: Do not round intermediate calculations. Enter your answer as a percent rounded to $2$ decimal places.

WACC

$\%$