Houston Event Company$$s financing information:

Loan $$400,000$ Interest Expenses $/$Year $$18,600$

Annual Net Income $$106,000$ Equity Partner Share $30\%$

Equity Invested $$170,000$ Tax Rate $20\%$

What is the WACC $($Weighted Average of Cost of Capital$)$ for Houston Event Company?

Group of answer choices

$10\mathrm{.}9\%$

$10\mathrm{.}1\%$

$9\mathrm{.}3\%$

$8\mathrm{.}2\%$