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Microsoft KB Archive/102139

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Mac Works: Timing of Payments in the NPV() Function

PSS ID Number: Q102139 Article last modified on 10-22-1998

3.0 4.0



The information in this article applies to:

  • == Microsoft Works for the Macintosh, versions 3.0 and 4.0 ==


The Microsoft Works NPV() function assumes that all payments occur at the end of each period. In many cases, however, the investment is likely to occur at the beginning of the first period. In other words, the initial investment probably will occur today, while the return on the investment probably will begin one year from now.

To account for this difference, take the initial investment out of the NPV() function and put it at the end of the formula, as in the following

=NPV(rate,inflow 1,inflow 2,) - investment

where “rate” is the percent rate, “inflow 1” is the return one year from today, and “inflow 2” is the return two years from today.


For example, take a $15,000 investment that will return $5000 one year from today, $7500 two years from today, and $8200 three years from today. Assuming a hurdle rate of 10 percent, you can use the following formula


to calculate the net present value, which is as follows:


KBCategory: kbother KBSubcategory: macworkskb

Additional reference words: 3.00 mwksss M_eXcel npv

Version : 3.0 4.0 Platform : MACINTOSH Issue type : kbinfo ============================================================================= Copyright Microsoft Corporation 1998.