(Click on the following icon in order to copy its contents into a spreadsheet.) Yearly Returns from 1929-1940 for the S\&P 500, Small Stocks, Corporate Bonds. World Partfollin Use the data shown in the following table: a. Compute the average return for each of the assets from 1929 to 1940 (the Great Depression). b. Compute the variance and standard deviation for each of the assets from 1929 to 1940. c. Which asset was the risklest during the Great Depression? How does that fit with your intuition? Note: For ail your answers type decimal equivalents. a. Compute the average return for each of the assets from 1929 to 1940 (the Great Depression). The average retum for the S\&P 500 was (Round to five decimal places.)