Problem $13-5$ Calculating WACC $($LO$1)$The total book value of WTC$$s equity is $$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

$40\%.$ What is the company$$s WACC?