Discuss the role of stocks in financing a business operation and the differences between common, preferred and treasury stock. Also, What is the importance of the earnings per share (EPS), return on equity (ROE), and price/earnings (P/E) ratios for the users of financial information when making decisions? You can focus the answer to this last question to one type of user (i.e. investors, creditors, managers, government, etc...) of financial information.