7-3 Fill in the spreadsheet below to calculate the portfolio return and risk between Zenon and Dynamics, given the 10 years of annual retums lor each stock, and portfolio weights of5050 a. How would your answer change if the weights were 40 percent for Zenon and 60 pe for Dynamics? b. How would your answer change if the weights were 30 percent for 70 percent for Dynamics? n and Zenon Dynamics Expected Retum Standard Deviation Covariance Weight for Zenon Weight for Dynamics Expected Portfolio Returm Portfolio Vanance Portfolio Standard Deviation 7-3 Fill in the spreadsheet below to calculate the portfolio return and risk between Zenon and Dynamics, given the 10 years of annual retums lor each stock, and portfolio weights of5050 a. How would your answer change if the weights were 40 percent for Zenon and 60 pe for Dynamics? b. How would your answer change if the weights were 30 percent for 70 percent for Dynamics? n and Zenon Dynamics Expected Retum Standard Deviation Covariance Weight for Zenon Weight for Dynamics Expected Portfolio Returm Portfolio Vanance Portfolio Standard Deviation