XYZ's stock price and dividend history are as follows Beginning-of-Year TEC $112 134 Dividendidat Year-End 54 Year 2016 2015 2020 7023 100 112 An investor buys three shares of XYZ at the beginning of 2018, buys another two shares at the beginning of 2019, sells one share at the beginning of 2020, and sells all four remaining shares at the beginning of 2021 What are the arithmetic and geometric average time-weighted rates of return for the investor? (Round your year-by-year rates of return and final answers to 2 decimal places. Do not round other calculations.) Arithmete verage rate om Geometrie average rate of retum b. What is the dollar-weighted rate of return? (Mint Carefully prepare a chart of cash flows for the four dates corresponding to the turns of the year for January 1 2018 to January 1, 2021 your calculator cannot calculate internal rate of return, you will have to use trial and error (Round your answer to 6 decimal places. Negative amount should be indicated by a minus sign.) b. What is the dollar-weighted rate of return? (Hint Carefully prepare a chart of cash flows for the four dates corresponding to the turns of the year for January 1, 2018, to January 1, 2021. If your calculator cannot calculate internal rate of return, you will have to use trial and error) (Round your answer to 4 decimal places. Negative amount should be indicated by a minus sign.) Dolar-weighted rate of retum