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How to use the NPV in Excel to determine the Net Present Value or a series of cash flows
This segment will show you how to determine the NET PRESENT VALUE (NPV) in Excel of a series of cash flows.
In this example we have a series of cash flows starting at the beginning of Period 1, which we called Period 0. An outflow of 20 000, and then the next five years we have inflows of cash.
We would like to determine what the NET PRESENT VALUE is of these series of cash flows. In order to do this we can make use of the NET PRESENT VALUE function.
Now this is very, very important because if you look at our numbers, Period 0 is actually the beginning of Period 1 and then Period 1 that’s the end, the end, the end.
If we assume the values of all these cells we’ll be incorrect because Excel will assume that this 20 000 investment actually occurs at the end of Period 1. So in order to do this is our Value 1
However we have to be very careful because what we’ve told it to do, is give us the NET PRESENT VALUE of all the cash flows at the end of the years. We have excluded this, now because it happens at the beginning of Period 1 we don’t have to worry about present valuing it because the number is already present values.
So in order to get an accurate NET PRESENT VALUE, you need to subtract the initial investment.
so the NET PRESENT VALUE of these series of cash flows is actually this number here.
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