Stocks A and B have the following historical returns: Year Stock A's Returns Stock B's Returns 2015 5.50% |(24.25%) 18.50 2016 26.73 2017 38.67 48.25 2018 14.33 (4.50) 43.86 2019 39.13 Assume the risk-free rate during this time was 3.5%. What are the Sharpe ratios for Stocks A and B and the portfolio over this time period using their average returns? Answers: a) Sharpe ratio for Stock A - b) Sharpe ratio for Stock B - c) Sharoe ratio for Portfolio AB - Note: enter your answers with real pinces