XYZ stock price and dividend history are as follows Year 2010 2011 2012 2013 Beginning-of-Year Price Dividend Paid at Year-End 116 $123 $ 105 $110 An investor buys four shares of XYZ at the beginning of 2010, buys another two shares at the beginning of 2011, sells one share at the beginning of 2012, and sells all five remaining shares at the beginning of 2013 What are the arithmetic and geometric average time-weighted rates of return for the investor? (Do not round intermediate calculations. Enter your answer as a percentage rounded to two decimal places.) a. Arithmetic average return Geometric average return 222 % b. To compute dollar-weighted return, prepare a chart of cash flows for the four dates corresponding to the turns of the year for January 1, 2010, to January 1, 2013. (Enter your answer as an integer. Negative amounts should be indicated by a minus sign.) Date 1/1/2010 1/1/2011 1/1/2012 1/1/2013 Cash Flow (for the investor)