A company has $1\mathrm{.}5$ million shares of equity outstanding, which currently sell for

$10$ per share. Its publicly traded debt had a total face value of $3$ million with

a currently priced yield of $9\%.$ The debt was recently quoted at $96\%$ of face

value. Your analysts estimate that this firm has a beta of $0\mathrm{.}85.$

The country in which the firm operates has sovereign treasury bonds trading

at $2\%.$ The relevant market index trades at $12\%$ at the moment.

If the relevant corporate tax rate is $30\%,$ what is the post$-$tax WACC of the

firm?