9) Using Yahoo finance, download daily prices for the SPDR S&P500 ETF (ticker = SPY) for February 2019. Use the adjusted close price to calculate daily returns and use the current actual risk-free rate to answer the following questions. [Hint: on the Yahoo Finance page, type in the ticker, then click on "Historical Prices" at the left and enter the appropriate date range. Finally, when the prices appear, click the "Download to Spreadsheet" link at the bottom of the screen] YOU MUST ATTACH A PRINTOUT OF YOUR DATA TO THIS ASSIGNMENT AND SHOW THE DAILY RETURNS a) What is the Sharpe ratio for the S&P500 for February 2019? Note: calculate the mean daily return using the arithmetic mean (not the geometric mean). b) Your answer in (a) is a daily Sharpe ratio since you used daily data. Assume you calculated a monthly Sharpe ratio and found it to be 0.20. Now assume there is no correlation between monthly returns, what is the estimated annual Sharpe ratio