please show all work and formulas used to find the answers. Calculate the monthly returns for both S&P 500 and Stock using the adjusted closing prices highlighted in blue. This is just the percentage change from the prior period by calculating the holding period return. Please show exactly what you input into excel to find the returns

Date 9/1/2015 10/1/2015 11/1/2015 12/1/2015 1/1/2016 2/1/2016 3/1/2016 4/1/2016 5/1/2016 6/1/2016 7/1/2016 8/1/2016 9/1/2016 10/1/2016 11/1/2016 12/1/2016 1/1/2017 2/1/2017 3/1/2017 4/1/2017 5/1/2017 6/1/2017 Adjusted Closing Prices (Input) Total Return S&P 500 Stock S&P 500 Stock 1920.030029 57.270893 2079.360107 50.558086 2080.409912 51.971306 2043.939941 54.144138 1940.23999 59.104412 1932.22998 59.086597 2059.73999 61.001522 2065.300049 59.999561 2096.949951 63.507816 2098.860107 65.997383 2173.600098 65.952194 2170.949951 64.569351 2168.27002 65.63018 2126.149902 63.719135 2198.810059 64.092247 2238.830078 62.900127 2278.870117 61.168968 2363.639893 65.009232 2362.719971 66.063232 2384.199951 69.411102 2411.800049 72.56868 2423.409912 70.34034