You want to do an analysis of the portfolio and determine the profile of risk-return of those 12 stocks in the portfolio. You need to determine the (monthly) average returns and standard deviations for the following 12 stocks from this portfolio for the period January 2, 2012 July 30, 2021. The stocks you need to analyse are (in parentheses are their ticker symbols): American Express (AXP) McDonald's Corp (MCD) Apple (AAPL) Microsoft Corp (MSFT) Boeing Co (BA) Verizon Communications Inc (VZ) Goldman Sachs Group Inc (GS) Visa Inc (V) International Business Machines Corp (IBM) Walmart Inc (WMT) Johnson & Johnson (JNJ) Walt Disney Co (DIS) Go to Yahoo! Finance (https://finance.yahoo.com) and download the monthly price for each stock listed above between January 2, 2012 July 30, 2021. Q1 From the monthly prices calculate the monthly returns (as a percentage change in the monthly prices you downloaded from previous question). You will need a separate worksheet in your excel file. Use the adjusted closing price (which takes into account dividends).