Use the following data, , to answer the questions that follow. a. If the S\&P 500 goes up by 17.57 percent, how much should the stocks of Savoy, Hokie, Alison, and Expo change in value? b. If the stock market drops by 12.74 percent, which one of these stocks should outperform the others? Why? a. If the S\&P 500 goes up by 17.57%, the stock of Savoy would change in value by \%. (Round to two decimal places.) Data table (Click on the following icon in order to copy its contents into a spreadsheet.)