On 1 January 2013 an investor purchased 1,000 shares of Grace Kennedy Group. From 2013 through 2016, the stock turned in the following dividend and share price perfonnanc e. 2014 2013 2012 2016 994,837 993,669 1,000,977 1,005 ,957 Net dividend 1,010,423 820,030 7?0,23 9 727,660 665,937 Amount ('000) Closing 40.29 27.08 20.34 18.36 16.6?T Stock Price a) Calculate the annual return on the stock for 2013 through to 2016 [4 marks ] 992,837 b) Determine the average annual return on the stock for the four year period [2 marks ] 0) Calculate the standard deviation of the annual returns [8 marks ]