4- On finance.yahoo.com, search for S&P 500 index. Under Historical data, collect monthly prices for the last 3 years on an excel sheet. A) Calculate the monthly returns of the S&P 500 (as above). B) Calculate the average and the standard deviation for the S&P 500 (as above). C) Calculate the annualized average return and standard deviation of the S&P500 (as above) 5- Compare and comment on the return and risk of the market to the return and risk of the stock