Over the years, Microsoft Corp. has conducted a total of four 2:1 share splits. You were lucky enough to have bought 57 shares at a price of $185.40 prior to those splits and you held those shares all the way until today, 9 years later. Shares now trade for $52.23. How many shares do you own in the end? shares What is your current cumulative return? % What was your effective annual return? %