plz helpPortfolio return and standard deviation$$Jamie Wong is thinking of building an investment portfolio containing two exchange traded funds$($ETFs$).$ Jamie plans to invest $$$$2$ comma $000$ in Vanguard$$ S&P $500$ ETF $($VOO$)$ and $$$$8$ comma $000$ in Invesco QQQ Trust $($QQQ$).$ Jamie has decided to analyze some historical returns to get a sense for her$$ portfolio's possible future risk and return. Six years of historical annual returns for each ETF are shown in the following$$ table: LOADING....

a$.$Calculate the portfolio$$ return, r Subscript p$,$ for each of the $6$ years assuming that $20\%$ is invested in VOO and $80\%$ is invested in QQQ$.$

b$.$ Calculate the average annual return for each ETF and the portfolio over the$$ six$-$year period.

c$.$ Calculate the standard deviation of annual returns for each ETF and the portfolio. How does the portfolio standard deviation compare to the standard deviations of the individual$$ ETFs?

d$.$Calculate the correlation coefficient for the two ETFs. How would you characterize the correlation of returns of the two$$ ETFs?

e$.$ Discuss any likely benefits of diversification achieved by Jamie through creation of the portfolio.