a. What is an estimate of Growth Company's cost of equity? 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 25% 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