Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...

Let's face it: Even the best budgets can't always predict your actual expenses. Things happen. Unexpected costs arise. That's life. That's why it's so useful to review your budget after a project is ...

Understanding the profit you can make selling products is the first step in analyzing the potential of the market for those products. Profit margin can be expressed as a dollar figure or as a ...

Calculate net profit margin by dividing net income by total revenue and multiplying by 100. Net profit margin helps compare profitability across businesses and historical performance. Monitoring net ...

There are many situations in investing in which it makes sense to look at how two different numbers related to each other over time. Whether you're talking about two stocks in the same industry, the ...

Your income statement shows you how much money you received during the year and how much money you paid out in expenses during the year. Before you get to your net profit, you need to include your ...