Tuesday, January 3, 2012

PV and PMT, when to put negative ?

When using financial calculator, many people will find that they are not sure when they should put a negative sign [-ve] for present value (PV) and payment (PMT)

If you have wrongly put the negative sign or forget to put the negative sign, the answer may be wrong.

REMEMBER:

When money is taken out from your pocket ( you pay) , put negative
When money is given to you (pay to you), put positive.

Example:
1.) You save $ 100 in the bank, every year you get interest paid to you $ 5.

-100 = present value [PV], you pay bank $100, so put -ve
5 = payment [PMT], bank pay you $5, so put +ve

2) You pay ABC Club $1000 for registration, every year you need to pay $80 for membership renewal.

-1000 = present value [PV], you pay club $ 1000, so put –ve
-80 = payment [PMT], you pay club $80, so put -ve



PV= present value ; PMT = payment

11 comments:

  1. If a person gets salary worth RM2000 n=20 salary growth is =5% pa what is the FV and for the PV do i need to put a negative or positive sign???

    ReplyDelete
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  6. If retiring in 17 years and currently have $128K in RRSP earning 3% with monthly payments from salary of $700 monthly.
    N-17; I-3%; PV-$128,000; Pmt-$700; FV-?....Are anyone of these numbers negative?

    ReplyDelete
    Replies
    1. N=17, PV= -$128k (you paid this), I/YR= 3%, PMT= -8.4k(you are paying)
      FV = +279.24k bank pays you

      Delete
  7. An investor will receive $50k per year at the end of each of the next 20 years . Rate of interest 10% , PV =?
    what would be the PMT
    -50K or +50K

    ReplyDelete
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