Are you interested in starting your own business someday? Let us dream for a minute and say you start a company that becomes a success. At some point, you will want to know the value of your ownership interest in your company and how your piece (equity) is valued in the markets. Any potential external investors would want to know some information about your business, too. What information do you think they would like to know so that they can value your company correctly? One example would be your annual revenues. What else, and why?