1. Joshua Woon
  2. PowerBuilder
  3. Friday, 8 December 2023 05:54 AM UTC

How to calculate the 'Present Value' in Powerbuilder given the rate, monthly payment amount and the number of months?

The Excel formula would be PV().

Example in Excel:

Rate = 10%

Monthly payment = $2,500

Number of months = 48

payment due at the beginning of the month.

=PV(0.1/12, 48, 2500, 0, 1)

=> $99,391.82

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Joshua Woon Accepted Answer Pending Moderation
  1. Friday, 8 December 2023 07:48 AM UTC
  2. PowerBuilder
  3. # Permalink

Hi,

Thanks for the soultion.

Only need to check whether the interest computation is to be done at the Beginning or the End of the period

If at the Beginning:

PV = C + ( C * [(1 - (1 + r)^(-(n - 1))) / r]))

If at the End:

PV = ( C * [(1 - (1 + r)^(-(n - 1))) / r])

 

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Sivaprakash BKR Accepted Answer Pending Moderation
  1. Friday, 8 December 2023 06:53 AM UTC
  2. PowerBuilder
  3. # 1

Hello,

Bing AI gave me this solution.  Check whether it suits you

The present value (PV) of a stream of cash flows can be calculated using the formula PV = C * [(1 - (1 + r)^(-n)) / r] 12. Here, C is the monthly payment, r is the interest rate per month, and n is the number of months.

For example, if you have a monthly payment of $100, an interest rate of 5% per annum, and a loan term of 36 months, then the present value of the loan would be:

r = 5% / 12 = 0.00416666667
n = 36
C = $100

PV = $100 * [(1 - (1 + 0.00416666667)^(-36)) / 0.00416666667] = $3,456.05

When I tried the same formula in excel, I got  $3336.57 for the above value. 

For r = 10%, n = 48, C = $2500, I got $98570.4

I hope this helps!

Happiness Always
BKR Sivaprakash

 

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