I only need help with the second question, so I posted the first question because it is continued from it. Thanks

Use the information to answer the following questions. The Global Advertising Company has a marginal tax rate of 30%. The company can raise debt at a 10% interest rate. The last dividend paid by Global was $2. Global's common stock is selling for $20 per share, and its expected growth rate in earnings and dividends is 8%. Global plans to finance all capital expenditures with 20% debt and 80% equity. What is the firm's weighted average cost of capital if the firm has sufficient retained earnings to fund the equity portion of its capital budget? Select one: O a 11.59% Ob 13.95% 15.70% O d. 12.37% 16.44% O e. Continued from the previous question. Assume that the floatation cost of new stock issuing is 1.5%. What is Global's cost of common stock if it has to issue new common stock? Select one: O a 18.96% 18.65% Ob . 17.78% Od 16.23% 19.65% Oe