NPV=CF0+(1+IRR)1CF1+(1+IRR)2CF2++(1+IRR)NCFN=00=t=1N(1+IRR)tCFt ses NPV to equal of capital, then the project should be Because of the IRR reinvestment rate assumption, when projects are evaluated the IRR approach can lead to conflicting results from the NPV method. Two basic conditions sidered, then the method should be used to evaluate projects