Question 14 1 pts Using monthly return information for Cola Co. & Gas Co. given in the spreadsheet, Calculate the average return for a portfolio that is 50% invested in Cola and 50% invested in Gas: decimal place; do not include % sign in your answer). _____ % (rounded to 1 Question 15 1 pts Using monthly return information for Cola Co. & Gas Co. given in the spreadsheet (same sheet as the above problem) Calculate volatility for the portfolio that is 50% invested in Cola and 50% invested in Gas: do not include % sign in your answer). % (rounded to 1 decimal place; Insert Column Delete Column Conditional Formatting Wap Text Overline B Copy Pause 23 Merge Celi 2- Insert Row - Delete Row B Remove Conditional Format CLICK HERE TO SAVE YOUR WORK B D F G H 1 J K A 1 2 Date 3 Jan 4 Feb 5 Mar 6 Apr 7. May 8 Jun 9 Jul 10 Aug 11 Sep 12 Oct 13 Nov 14 Dec Cola Co Gas Co. -10.84% -6.00% 2.36% 1.28% 6.60% -1.86% 2.01% -1.90% 18.36% 7.40% -1.22% -0.26% 2.25% 8.36% -6.89% -2.46% -6.04% -2.00% 13.61% 0.00% 3.51% 4.68% 0.54% 2.22%