XY 's stock price and dividend history are as tollows: An investor buys three shares of XYZ at the beginning of 2019 , buys another two shares at the beginning of 2020 , sells one share at the beginning of 2021 , and sells all four remaining shares at the beginning of 2022 Required: 0. What are the arithmetic and geometric average time-weighted rates of return for the investor? (Round your year-by-year rates of return ond final answers to 2 decimal places. Do not round other calculations.) What is the dollar-weighted rate of return? (Hint Carefully prepare a chart of cash flows for the four dates corresponding to the turns f the year for Januaty 1, 2019, to January 1, 2022. If your calculator cannot calculate IRR, you will have to use trial and error or a oreadsheet program.) (Round your answer to 4 decimal pleces. Negative amount should be indicated by a minus sign.)