You are helping a client calculate various types of historical investment return averages during the period 2018 and 2021. The client doesn't have a list of cash flows available to share with you, but did provide the information, below, on his stock purchases and sales. Assume that the stock pays no dividends. What is the dollar-weighted return over the entire time period? # Year Beginning of Year Price of Shares Bought or Sold 2018 $ 50.00 100 bought 2019 $ 55.00 50 bought 2020 51.00 $ 75 sold 2021 53.00 $ 75 sold