We observed the following asset prices from 2016 to 2021:

Year 2016 : Dollar Price $583

Year 2017 : Dollar Price $601

Year 2018 : Dollar Price $545

Year 2019 : Dollar Price $459

Year 2020 : Dollar Price $420

Year 2021 : Dollar Price $505

(a) Calculate the expected return and sample standard deviation of bitcoin return.

(b) Calculate the Sharpe ratio assuming an annual risk free rate of 1.5%.

(c) Determine the drawdown of each period, and the maximum drawdown.