Book Co. has 1.8 million shares of common equity with a par (book) value of $ 1.40, retained earnings of $ 30.5 million, and its shares have a market value of $ 51.59 per share. It also has debt with a par value of $ 20.1 million that is trading at 105 % of par. a. What is the market value of its equity? b. What is the market value of its debt? c. What weights should it use in computing its WACC?