A company$$s $4\%$ preferred stock is currently trading at $$60$ per share. Its common stock trades at $$40$ per share, and the dividends last year totaled $$1/$share$.$ Common stock dividends are expected to grow at $5\%$ per annum for the foreseeable future. Debt for the company has a YTM of $4\%,$ and its tax rate is $21\%.$ If the market values of debt, preferred stock, and common stock are, respectively, $$30$ million, $$5$ million, and $$70$ million, what is the WACC?