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IRR

SSadaf5y ago
Hello sir . Can you please tell me if in a question we are provided two positive NPV I.e at discount rate of 5% 69700positive At discount rate 14% 16000positive At discount rate 20% 10500negative How to know which one should be taken in the formula to calculate IRR
John MoffatJohn MoffatTutor5y ago#1
Take the rate closest to the rate giving the negative NPV. So in this case 15% and 20%. As I explaining my free lectures, any answer will be only an approximation because of non-linearity, but the close the interest rates used are then the better the approximation will be.
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