you are given the returns for the following three stocks: year stock a stock b stock c 1 8 % 3 % -24 % 2 8 13 37 3 8 7 14 4 8 5 9 5 8 12 4 calculate the arithmetic return, geometric return, and standard deviation for each stock. (do not round intermediate calculations. enter your answers as a percent rounded to 2 decimal places.)