0433 0482 0.103 0780 0,736 0.254 997 7-3 Fill in the spreadsheet below to calculate the portfolio return and risk between zenon and Dynamics, given the 10 years of annual returns for each stock, and portfolio weights of 50/50 a. would your answer change if the weights were 40 percent for Zenon and 60 percent for Dynamics? b. How would your answer change if the weights were 30 percent for Zenon and 70 percent for Dynamics? Dynamics Expected Retum Variance Standard Deviation Weight for Zenon Weight for Dymamics Expected Portfolio Retum Portfolio Variance Portfolio Standard Deviation