The following spreadsheet contains monthly returns for Cola Co. and Gas Co. for 2022: Using these data, estimate the average monthly return and the volatility for each stock. Data table The average monthly return for Cola Co. is %. (Round to two decimal places.) (Click on the following icon in order to copy its contents into a spreadsheet) Date Cola Co. Gas Co. Jan 6.00% -1.70% Feb -1.90% -2.90% Mar 0.20% 2.90% Apr 1.90% 5.40% May 3.60% 8.10% June - 1.30% 2.10% July 0.50% 1.50% Aug -4.60% -4.50% Sep -1.90% - 11.00% Oct 1.70% -4.80% Nov 5.50% -2.50% Dec -4.80% -3.10% Print Done - X