A project is expected to generate a perpetual annual cash flow of $$1\mathrm{.}2$ million. The initial investment for the project is $$8$ million and the project's NPV at a WACC of $12\%$ is $$500,000.$ Which of the following statements correctly describes the break$-$even Weighted Average Cost of Capital $($WACC$)$ that would set the Net Present Value $($NPV$)$ equal to zero for the project?

A$)$ The break$-$even WACC is less than $15\%$ but greater than $12\%.$

B$)$ The break$-$even WACC is equal to $15\%.$

C$)$ The break$-$even WACC is $9\%.$

D$)$ The break$-$even WACC is greater than $9\%$ but less than $12\%.$