What would be the cost of new common stock equity for Tangshan Mining if the firm just paid a dividend of​ $4.25, the stock price is​ $55.00, dividends are expected to grow at 8.5 percent​ indefinitely, and flotation costs are​ $6.25 per​ share?
A)16.88%
B) 9.46%
C) 17.96%
D) none of the above