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Value returned: the total cost of an annuity now that will pay you one unit per period over the specified number of periods, or a number equal to
An interest rate involves a certain percentage (expressed as a decimal) per some unit of time—usually per year. You must use the same unit of time to measure the number of periods.
For example, if you have a yearly percentage rate but your annuity pays you monthly, use
Version 0.7b1 (March 24, 2022)
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