NEED THE AVERAGE RETURN AND STANDARD DEVIATION PLEASE!

Your portfolio had the values in the following table for the four years listed: a. Calculate your return for each year over the 4-year period. Then calculate the average return over the 4-year period b. Calculate the portfolio standard deviation The return for 2013 is 7.01%. (Round to two decimal places.) The return for 2014 is 5.83%. (Round to two decimal places.) The return for 2015 is 12.65 % (Round to two decimal places.) The return for 2016 is 18.84%. (Round to two decimal places.) The average return is 18.58%. (Round to two decimal places.) The standard deviation is %. (Round to two decimal places.) 1 Data Table Click on the icon located on the top-right corner of the data table below in order to copy its contents into a spreadsheet.) 2013 2014 2015 2016 Beginning Value S50,604 54,153 57,310 64,559 Ending Value $54,153 57,310 64,559 70,269 Print Done