a. What is an estimate of Growth Company's cost of equity? b. Growth Company also has preferred stock outstanding that pays a $1.95 per share fixed dividend. If this stock is currently priced at $28.15, what is Growth Company's cost of preferred stock? c. Growth Company has existing debt issued three years ago with a coupon rate of 6.2%. The firm just issued new debt at par with a coupon rate of 6.5%. What is Growth Company's pretax cost of debt? d. Growth Company has 4.8 million common shares outstanding and 1.3 million preferred shares outstanding, and its equity has a total book value of $50.2 million. Its liabilities have a market value of \$19.6 million. If Growth Company's common and preferred shares are priced as in parts (a) and (b), what is the market value of Growth Company's assets? e. Growth Company faces a 22\% tax rate. Given the information in parts (a) through (d), and your answers to those problems, what is Growth Company's WACC? Note: Assume that the firm will always be able to utilize its full interest tax shield