can you help me answe these questions please? show your work so that i can follow the steps and learn it myself please.

apter 14 Assignment - Compatibility Mode - Word Search Mailings Review View Help 21 E B AaBbCel AaBbC AaBbCel AaBbCd AaBbCD A Emphasis Heading 1 1 Normal Strong Subtitle Paragraph Reactivate Styles reactivate now. 1. A firm just paid a dividend of $2.25 per share on its common stock. The company is expected to maintain a constant 5% growth rate in its dividends indefinitely. If the stock sells for $45 per share, what is the company's cost of equity? 2. A firm's common stock has a beta of 1.30. If T-bills yield 0.1% and the expected return on the S&P 500 is 8.5%, what is the company's cost of equity? 3. A bank has an issue of preferred stock with a $1.50 dividend that just sold for $34 per share. What is the bank's cost of preferred stock? 4. A firm has a target capital structure of 70% common stock, 5% preferred stock, and 25% debt. Its equity beta is 1.39. The yield on T-bills is 0.1% and the market risk premium is 10%. The firm's cost of preferred stock is 5.5%, and the cost of debt is 7.5%. The firm's tax rate is 35%. What is the firm's required return on equity and wacs? 5. A company has a wacs = 10.5%. The company's cost of equity - 14%, and its cost of debt = 8%. There is no preferred stock in the capital structure. The tax rate is 0.35. What are the firm's capital structure weights, D/V and E/V