Ggather 5 years of monthly data on each of the stocks she has requested, as well as the S&P 500 Index.. You calculate the average monthly return and risk (standard deviation) associated with each item. As your client is intent on investing aggressively, you will want to include the "beta" associated with each instrument relative to the S&P 500 Index. Create a table with each of these values included, as well as the 3-month (constant maturity) Treasury Bill.