I need some help in Finance projects

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npvandirr_template_3year.xls

Sheet1

NPV and IRR Template
Assumptions & inputs:
required rate of return 20.0%
Investment Year 1 year 2 year 3
$ (110,000.0) $ 51,781.00 $ 51,780.00 $ 71,780.00
discount factor 1.20 1.44 1.73
Present values $ 43,150.8 $ 35,958.3 $ 41,539.4
Total present value $ 120,648.5
NPV $ 10,648.5
IRR 25.8%

Sheet2

Sheet3