Your profit margin is an important figure for your business because it tells you the percentage of each sale that is profit. Profit margins are important when you are pricing products, generating ...

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, ...

Write Excel formulas that are easy to understand and don't consume lots of memory.

Have you ever carefully crafted a formula in Excel, only to watch it unravel into chaos the moment you copy it across columns? It’s a maddening quirk of Excel tables—structured references that seem to ...