XYZ stock price and dividend history are as follows:
Year Beginning-of-Year Price Dividend Paid at Year-End
2018 $118 $3
2019 126 3
2020 110 3
2021 115 3
An investor buys six shares of XYZ at the beginning of 2018, buys another three shares at the beginning of 2019, sells one share at the beginning of 2020, and sells all eight remaining shares at the beginning of 2021.
Required:
a. What are the arithmetic and geometric average time-weighted rates of return for the investor?
b. What is the dollar-weighted rate of return?