The total book value of WTC$\text{'}$s equity is $$13$ million, and book value per share is $$26.$ The stock has a market$-$to$-$book ratio of $1\mathrm{.}5,$ and

the cost of equity is $15\%.$ The firm's bonds have a face value of $$9$ million and sell at a price of $110\%$ of face value. The yield to maturity

on the bonds is $10\%,$ and the firm's tax rate is $21\%.$ What is the company's WACC?

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