Pre-Money vs. Post-Money Valuation

When a company decides that it must raise capital, a key question that must be answered is how much the company is worth. For example, if the business needs $500,000 to get started and/or grow, how much of the equity in that company should $500,000 command? Once this question is answered, the company will go out and try to find investors. When doing so, a key question often arises as to whether the valuation is