Answer b c d please

Bartman Industries's and Reynolds Inc.'s stock prices and dividends, along with the Winslow 5000 Index, are shown here for the period 2015-2020. The Winslow 5000 data are adjusted to include dividends. Year 2020 2019 Bartman Industries Stock Price Dividend $16.60 $1.16 14.40 1.06 15.95 1.00 10.70 0.95 11.12 0.90 7.57 0.85 Reynolds Inc. Stock Price Dividend $50.25 $2.75 54.10 2.65 50.25 2.50 59.55 2.35 62.90 2.10 58.05 1.85 Winslow 5000 Includes Dividends $10,957.82 8,468.77 8,348.08 6,296.42 5,470.33 4,589.38 2018 2017 2016 2015 The data has been collected in the Microsoft Excel file below. Download the spreadsheet and perform the required analysis to answer the questions below. Do not round intermediate calculations. Use a minus sign to enter negative values, if any. X Download spreadsheet Evaluating Risk and Return-de56d0.xlsx a. Use the data to calculate annual rates of return for Bartman, Reynolds, and the Winslow 5000 Index. Then calculate each entity's average return over the 5-year period. (Hint: Remember, returns are calculated by subtracting the beginning price from the ending price to get the capital gain or loss, adding the dividend to the capital gain or loss, and dividing the result by the beginning price. Assume that dividends are already included in the index. Also, you cannot calculate the rate of return for 2015 because you do not have 2014 data.) Round your answers to two decimal places. Year Bartman Industries 23.33 % % Reynolds Inc. -2.03 % 2020 Winslow 5000 29.39 % 1.44 % 2019 -3.07 % 12.94 % 2018 58.41 % -11.42 % 32.58 % % 2017 4.76 % % -1.58 % 15.10 % 2016 58.78 % 11.97% 19.19 % Average 28.44 % 1.97 % 19.54 % b. Calculate the standard deviations of the returns for Bartman, Reynolds, and the Winslow 5000. (Hint: Use the sample standard deviation formula, which corresponds to the STDEV.S function in Excel.) Round your answers to two decimal places. Bartman Industries Reynolds Inc. Winslow 5000 Standard deviation % % % c. Calculate the coefficients of variation for Bartman, Reynolds, and the Winslow 5000. Round your answers to two decimal places. Bartman Industries Reynolds Inc. Winslow 5000 Coefficient of variation cios for Bartman, Reynolds, and the Index over this period using their d. Assume the risk-free rate during this time was 3%. Calculate the Sharpe average returns. Round your answers to four decimal places. Bartman Industries Reynolds Inc. Winslow 5000 Sharpe ratio