Everything you need to know to calculate an interest rate with the present value formula.

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Customer retention rate measures the percentage of customers that a company keeps over a specific period. Learn how to calculate it and be effective.

How to calculate your interest rate, or rate of return Before you start your calculations, you'll need a little bit of information: The original account balance: This is your original deposit into ...

Your effective tax rate is a good indicator of how well you’ve been managing your tax situation. It’s smart to calculate your effective tax rate each year to help you make adjustments to your ...

Calculating the interest rate using the present value formula can at first seem impossible. However, with a little math and some common sense, anyone can quickly calculate an investment's interest ...