XR05-19 An investment of $1000 you made 4 years ago was worth $1200 after the first year, $1200 after the second year, $1500 after the third year, and $2000 today. a Calculate the annual rates of...

XR05-19 An investment of $1000 you made 4 years ago was worth $1200 after the first year, $1200 after the second year, $1500 after the third year, and $2000 today. a Calculate the annual rates of return. b Calculate the mean and median of the rates of return. c Calculate the geometric mean. d Discuss whether the mean, median, or geometric mean is the best measure of the performance of the investment.