need b1 and b2 answered

An imvestor buys four shares of XYZ at the beginning of 2018, buys another two shares at the beginning of 2019 , 5 els ane 5 hare at the beginning of 2020 , and sells all fre remaining shares at the beginning of 2021 Required: 0. What are the atimetic and geometric averege time-weighed rates of teturn for the investor? (Do not round intermediote colculations. Round your answers to 2 decimal ploces) b-1. Prepare a chart of cash flows for the four dates corresponding to the turns of the year for Janiary 1,20+8, to January 1,2021 , (Negotive omounts should be indicoted by o minus sign.) spreacsheet or thal and effor iNegative volue sheuld be indichted by a minus sign. Aound your answer to 4 decimat places