The PPMT Function is classified as a financial function. The function computes the payment on principle for an investment based on periodic, constant payments and a fixed interest rate over a specified time period. The PPMT function in financial analysis is important in analysing the main components of the total payments paid for the loan obtained.
Syntax :
=PPMT ( rate, per, nper, pv, [fv], [type] )
Parameters :
1. Rate (mandatory argument) – This is the period interest rate.
2. Per (mandatory argument) – It is the maturity date of the bond, i.e. the date around which the bond expires.
3. Nper (necessary argument) – The number of payment periods in an annuity.
4. Pv (mandatory argument) – This is the loan/present investment’s value. It is the entire value of a sequence of future payments right now.
5. Fv (optional parameter) – This defines the loan/future investment’s value at the conclusion of nper payments. If omitted, [fv] takes on the value 0 by default.
Example : The PPMT function above yields the number $735.23 (rounded to two decimal places). In the above example:
1. Because we made monthly payments, we must convert the annual interest rate of 5% to the monthly rate (=5% /12) and the number of periods from years to months (=5*12).
2. We removed the FV and type parameters since the projected value is zero and we need to make monthly payments.
3. We receive a negative value, which represents incoming payments.
1. #NUM! error – Occurs when the given per argument is less than 0 or larger than the supplied nper value.
2. VALUE! error – Occurs when any of the provided parameters is not a number.
3. When calculating monthly or quarterly payments, we might make a mistake if we neglect to convert the interest rate or the number of periods to months or quarters. Divide the yearly rate by 12 for the monthly rate and by 4 for the quarterly rate.
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