With more than 1 million restaurant locations in the U.S., according to the National Restaurant Association (NRA, it's clear that eating out is part of American culture. If you're opening or ...

Calculating profit as a percentage of revenue shows relative profitability, like Apple's 30.5% vs Fitbit's 20.5%. Common size income statements allow comparisons across companies and time by ...

For companies that sell more than one product, it is helpful to calculate how much each individual product contributes to the overall company's sales and profits. To do that, we calculate the margin ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Vikki Velasquez is a researcher and writer ...

Understanding how the holding period works can save you money down the line. The stock market provides investors with a great opportunity, but if you don't understand how holding periods work, you may ...

Michelle Lambright Black, Founder of CreditWriter.com and HerCreditMatters.com, is a leading credit expert and personal finance writer with nearly two decades of experience in the credit industry. She ...

Lee Davis is a tech analyst who has been covering the document imaging industry for over five years. Currently, Lee is the Associate Director of Software and Scanners at Keypoint Intelligence, where ...

Principal is the amount you borrowed, and interest is the amount you pay to the lender as a charge for borrowing. To calculate interest, multiply the principal amount by the interest rate, then ...

When we put our money in the market, or before we even do, one of the biggest questions we have is: How long will it take for this investment to really grow? Luckily, there's a mathematical shortcut ...