Could you show me how to calculate the portfolio sections and number 5 on the first slide? (Like some examples on how to calculate it would be greatly appreciated :)

4. Please build two portfolios: - Two stock portfolio of equal weighted stock1 and stock2 - Three stock portfolio of equal woighted stock1, stock2 and stock 3 . Calculate the above two portfolios' monthly return for the same 5 years. ( 20 points) 5. Calculate Average monthly returns and monthly volatilities for all individual stocks, S8P500 index and the two portfolios. (60 points) 6. Click on "Portfolio Risk and Retum Excel Project" and submit your Excel file. 7. Fill in the required information in the Google Form (20 points): hithos ifforms, pleMooDsti320pYsLLQHo Portfolio Risk and Return. Student xisx Portfolio of (stock1 Portfolio of (stock1, \begin{tabular}{|l|l|r|r|r|r|} \hline & Time & Stock1 & Stock 2 & Stock3 & S8P Return \\ \hline 2 & Month1 & 11.9111% & 4.7144% & 11.9281% & 4.6583% \\ \hline 3 & Month2 & 18.0311% & 7.2652% & 7.9859% & 4.3589% \\ \hline 4 & Month3 & 9.7284% & 0.6063% & 12.2996% & 3.4332% \\ \hline 5 & Month4 & 3.3969% & 4.4755% & 14.1129% & 0.4497% \\ \hline 6 & Month5 & 1.8702% & 2.1213% & 8.5889% & 5.9651% \\ \hline 7 & Month6 & 0.2853% & 1.6696% & 6.8519% & 4.2555% \\ \hline 8 & Month7 & 3.7822% & 6.2890% & 1.7617% & 1.5598% \\ \hline 9 & MonthB & 8.5539% & 4.1060% & 6.0166% & 2.2763% \\ \hline 10 & Month9 & 0.5197% & 3.2296% & 2.0369% & 2.7236% \\ \hline 11 & Month10 & 11.5607% & 0.6373% & 8.8252% & 1.6789% \\ \hline 12 & Month11 & 2.0413% & 0.8521% & 7.8256% & 0.5847% \\ \hline \end{tabular} stock 2 and stock3)