Growth Company's current share price is $20.15 and it is expected to pay a $0.85 dividend per share next year. After that, the firm's dividends are expected to grow at a rate of 4.2% per year.

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 $28.30, what is Growth Company's cost of preferred stock?

c. Growth Company has existing debt issued three years ago with a coupon rate of 5.8%. The firm just issued new debt at par with a coupon rate of 6.4%. What is Growth Company's pretax cost of debt?

d. Growth Company has 5.5 million common shares outstanding and 1.2 million preferred shares outstanding, and its equity has a total book value of $50.1 million. Its liabilities have a market value of $20.3 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.