1. What is the four year actual (or realized) retum and the four year standard deviation on an investment in a share of common stock if the annual returns were 19.25% in 2021, 9.65% in 2020, -14% in 2019, and 8% in 2018. In solving your results for both the actual return and the standard deviation, please round your answers to the 2nd decimal place after converting into percent terms