The following spreadsheet contains monthly returns for Cola Co and Gas Co. for 2013. Using these data, estimate the average monthly retum and the volatility for each stock (Round to two decimal places) (Round to two decimal places) The average monthly retum for Cola Co. is The average monthly return for Gas Ce is The volatility for Cola Ce is The volatility for Gas Cois (Round to two decimal places) (Round to two decimal places) January February March Apell May June July August September October November December Month Cola Co 260% 0.10% 8.63% 1.90% 4.60% 2:30 % -2.60% 9.10% 0.00% 0.40% -0.30% 12.70% Gas Co -3.70% 760% 6.10% -0.10% -3.50% -0.60% 1.40% -6. 10% 1.50% -2.70% -0.10% 7.00%