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 ...

Image source: Flickr user Ken Funakoshi. A perpetual annuity, also called a perpetuity, promises to pay a certain amount of money to its owner forever. A classic example would be that of a perpetual ...

First determine what type of annuity you have ...

Because annuities offer advantages like regular lifetime payments, premium protection, tax-deferred growth, unlimited contributions, and various investment options, they should be a part of your ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Amy is an ACA and the CEO and founder of ...

To find an investment's interest rate, substitute price, face value, and duration into a formula. For T-bills, subtract purchase price from face value, divide by face value, adjust for term. Online ...

In the world of finance, an annuity is a contract between you and a life insurance company in which you give the company a lump sum or series of payments, and in return, the insurer promises to ...

Here's how to calculate the present value of a perpetual annuity that promises to pay flat or growing annual payments with helpful examples. A perpetual annuity, also called a perpetuity, promises to ...