If you invest in a technology 100 000 EUR with a lifespan of 5 years, you will create cash flow 22000 EUR yearly. Calculate the internal rate of return. As discount rates use 1% and 3 %. IRR = i1 - NPV1 x ((i1-i0) / (NPV1 - NPVO)) 1. The internal rate of return is [IRR] (round to 3 decimal places)