Question 6 1 pts Using the data from Jan 1, 2015 to Dec 31, 2019, estimate the standard deviation of the monthly returns of a portfolio consisting of one share of KO, one share of T, and one share of XOM. Do not maintain constant portfolio weights each month. This data can be obtained from Yahoo finance. Enter your answer as a percent without the "%". Round your final answer to two decimals. Question 7 1 pts Using Excel's slope function estimate the ps of KO, T, and XOM using the monthly returns from Jan. 1, 2015 to Dec 31, 2019. The returns on the S&P 500 and the monthly U.S. treasury bill yields can be obtained from the "cost_of_captial_examples.xlsx" file on Canvas. What is the average of these three s? Round your final answers to two decimals. Question 6 1 pts Using the data from Jan 1, 2015 to Dec 31, 2019, estimate the standard deviation of the monthly returns of a portfolio consisting of one share of KO, one share of T, and one share of XOM. Do not maintain constant portfolio weights each month. This data can be obtained from Yahoo finance. Enter your answer as a percent without the "%". Round your final answer to two decimals. Question 7 1 pts Using Excel's slope function estimate the ps of KO, T, and XOM using the monthly returns from Jan. 1, 2015 to Dec 31, 2019. The returns on the S&P 500 and the monthly U.S. treasury bill yields can be obtained from the "cost_of_captial_examples.xlsx" file on Canvas. What is the average of these three s? Round your final answers to two decimals