Assume that an investment generates the following income stream and can be purchased at the beginning of 2017 for $1,000 and sold at the end of 2020 for $1,200. Estimate the IRR for this investment. If a minimum return of 9% is required, would you recommend this investment? Explain.

\begin{tabular}{cc} End of Year & Income Stream \\ \hline 2017 & $140 \\ 2018 & $120 \\ 2019 & $100 \\ 2020 & $80 \\ 2021 & $60 \\ 2022 & $40 \\ 2023 & $20 \end{tabular}