can someone actually show me by hand how to do this? like step by step? not just use excel or something I want to learn how to do this and full understand it, please no excel

3. Full WACC a. The firm's common stock just paid a dividend of $3 and is currently selling for $75. Dividends are expected to grow at a constant rate of 10. What is the after-tax cost the firm's equity financing? Ks = 14,4% b. The S&P 500 is currently providing investors with a return of 10% while Treasury bonds are providing investors with a return of 4%. The same firm has stock that has a listed beta of 0.3 and a realized return of 14%. What is the after-tax cost the firm's equity financing? Ks = 5.8% c. Currently a firm has $1,000 par value coupon bonds outstanding that were issued 12 years ago with an original maturity of 20 years. These bonds have a stated coupon rate of 5% and are currently selling for $1,100. What is the after-tax cost of debt financing? - 2.13 0 d. Assuming the firm finances with 40% equity, find the firm's WACC. ACC= 3.72%