You have been given the following return data, _ , on three assets-A, B, and C-over the period 2021-2024. Using these assets, you have isolated three investment alternatives: a. Calculate the average portfolio return for each of the three alternatives. b. Calculate the standard deviation of returns for each of the three alternatives. c. On the basis of your findings in parts a and b, which of the three investment alternatives would you recommend? Why? a. Calculate the portfolio matum over the Advear neriod foc each of the 3 altematives Alternative 1: % Data table Alternative 2: % (Click on the icon here Q in order to copy its contents of the data table below into a spreadsheet.) Data table (Click on the icon here in order to copy its contents of the data table below into a spreadsheet.)