1. Return Calculations: Calculate monthly returns for each security. Calculate the mean return. standard deviation, and variance of monthly returns (not excess returns), and fill in the relevant data in the table below. (In the brackets please provide the short name of Home and Away companies and their corresponding tickers). Summary Statistics for Monthly Returns Mean Return Standard Variance Deviation Market portfolio Home Stock ABBVIE (ABBV) Away Stock ALTRIA (MO) Risk-free rate