Calculate the mean and standard deviation of the portfolio. The proportions invested in each stock are shown in parentheses. a. Bank of Montreal (BMO): 25%, Magna International (MG): 25%, Power (POW): 25%, Rogers Communication (RCL.B): 25% b. BMO: 20%, MG: 60%, POW: 10%, RCL.B: 10% c. BMO: 10%, MG: 20%, POW: 30%, RCL.B: 40% d. Which portfolio would a gambler choose? Explain. e. Which portfolio would a risk-averse investor choose? Explain.