The Global Advertising Company has a marginal tax rate of 40 percent. The last dividend paid by Global was $0.90. Global's common stock is selling for $8.59 per share, and its expected growth rate in earnings and dividends is 5 percent. What is Global's cost of common stock?
A. 12.22%
B. 17.22%
C. 10.33%
D. 9.66%
E. 16.00%