To calculate the Consumer Price Index between two years in Excel, take a sum of all the amounts spent on the basket of products over those two years. Then use the following formula to find the CPI ...

Calculating sales tax on prices is something you don't have to worry about if you use Excel. You can add a formula to the spreadsheet you use for invoices, bills of sale or quotes, and that's the end ...

Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas and explore some popular built-in functions. One of the ...

Treasury bills are secure, backed by U.S. government, with maturity terms from 4 weeks to 1 year. Pricing of T-bills uses a discount formula: [(days to maturity * interest rate) / 360]. Buy T-bills at ...

Gain a comprehensive understanding of the marginal cost formula. Learn how to calculate it and explore its role in business decisions. The world of microeconomics and business decision-making hinges ...

Katrina Ávila Munichiello is an experienced editor, writer, fact-checker, and proofreader with more than fourteen years of experience working with print and online publications. Inventory turnover ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Return on investment (ROI) measures the amount of ...