Hello, can you help me with this problem please ?

You have been given the following return data on three assets A,B, and C-over the period 2021-2024. 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? Using these assets, you have decided to analyze three investment alternatives