You have the following rates of return for a risky portfolio for several recent years. Assume that the stock pays no dividends. Year Beginning of Year Price # of Shares Bought or Sold 2016 $ 50.00 100 bought 2017 $ 55.00 50 bought 2018 $ 51.00 75 sold 2019 $ 54.00 75 sold What is the dollar-weighted return over the entire time period