Chadwick bought 50 shares of chipotle stock on nov 1, 2016 for $396.33 per share. he sold the shares four years later for $778.38 per share.
a) what did chadwick pay for all of the shares in 2016?
b) what was the value of all of his shares four years later?
c) how much money did he gain/lose with this stock?
d) what is his rate of return on his shares when he sold them?