The last four years of returns for a stock are as shown here: a. What is the average annual return? b. What is the variance of the stock's returns? c. What is the standard deviation of the stock's returns? Note: Notice that the average return and standard deviation must be entered in percentage format. The variance must be entered in decima! format: a. What is the average annual return? The average retum is \%. (Round to two decimal places.) Data table (Click on the following icon p in order to copy its contents into a spreadsheet.) Using the data in the following table. calculate the return for investing in this stock from January 1 to December 31 . Prices are after the dividend has been pald. The return for investing in this stock from January 1 to December 31 is %. (Round to two decimal places.) Data table (Click on the following icon 0 in order to copy its contents into a spreadsheet)