Q21 Suppose we only have two stocks available in the market. The table below presents the yearly returns on stocks X and Y for a three-year period Please use the information above for Q21(a) to Q21(e) Please round your answer to 4 decimal places (e.g., if your answer is 0.12341 , please report it as 0.1234 ) Q21(d). Your boss claims that you should invest only in the stock with the higher Sharpe ratio, and never invest in the stock with the lower Sharpe ratio. Do you agree? Explain