use the stock prices from the excel sheet yo solve,please type out answer please

9/1/2015 127.8178 41.32045 10/1/2015 123.5064 49.1439 11/1/2015 122.9245 50.74033 12/1/2015 122.4756 52.1444 1/1/2016 111.0575 51.77785 2/1/2016 116.6108 47.82096 3/1/2016 120.75 52 28214 4/1/2016 131.2067 47 20822 5/1/2016 138.2193 50.17115 6/1/2016 139.0961 48.77763 7/1/2016 145.8752 54.03002 8/1/2016 147.7569 54.77355 9/1/2016 149.7552 55.24923 10/1/2016 151.7954 57.47454 11/1/2016 155.8524 57 80066 12/1/2016 154.8244 60.00659 1/1/2017 162.7806 62.43042 2/1/2017 167.7241 61.78342 3/1/2017 163.7104 63.98444 4/1/2017 169.8546 66.5104 5/1/2017 170.8546 67.8511 6/1/2017 166.8924 67.35087 7/1/2017 169.3258 71.0345 8/1/2017 173.9651 73.05708 9/1/2017 180.9534 73.17127 10/1/2017 200.9542 81.70744 11/1/2017 225.8462 82.67991 12/1/2017 255.8456 84.44764 1920.03 2079.36 2080.41 2043.94 1940.24 1932.23 2059.74 2065.3 2096.95 2098.86 2173.6 2170.95 2168.27 2126.15 2198.81 2238.83 2278.87 2363.64 2362.72 2384.2 2411.8 2423.41 2470.3 2471.65 2519.36 2575.26 2584.84 2673.61 DOC