If your business makes investments in equipment and employee benefit contributions, you may need to track the average annual rate of return over a span of time for financial reporting obligations.

Calculate the weighted average of interest rates in Microsoft Excel to compute the most accurate average interest rate among a group of lenders who received different rates. When you take a weighted ...

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, ...

There are two ways to calculate a conditional average in Excel, both involve some logic and some special functions. Excel’s SUMIF() and COUNTIF() are two of my favorite summarizing functions and we’ve ...

Everyone likes a bonus, but sometimes calculating one can be a bit complicated--at first. Here's how to calculate the amount in Microsoft Excel that you or your staff will get paid. If you’ve ever had ...