Use the following data to answer the questions that follow. Company Savoy Corp. Hokie Industries Graham Records Expo Enterprises S&P 500 Beta 0.66 1.22 2.23 0.36 1.00 a. If the S&P 500 goes up by 17.15 percent, how much should the stocks of Savoy, Hokie, Graham, and Expo change in value? a. If the S&P 500 goes up by 17.15 percent, the stock of Savoy would change in value by %. (Round to two decimal places.)