Suzanne is a content marketer, writer, and fact-checker. She holds a Bachelor of Science in Finance degree from Bridgewater State University and helps develop content strategies. Investopedia / Zoe ...

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 ...

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 ...

Perpetuities pay a fixed annual sum; interest rate calculated by dividing payment by price. Example: $5,000 annual perpetuity for $60,000 has an 8.33% interest rate. Validate investment value using ...

When a government or corporation issues a bond, it does so with a specific par value and interest rate. Once in the market, those values don’t change; however, the value of a bond can change depending ...

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 ...