help$8-20$ REALIZED RATES OF RETURN Stocks A and B have the following historical returns:

a$.$ Calculate the average rate of return for each stock during the period $2016$ through $2020.$

b$.$ Assume that someone held a portfolio consisting of $50\%$ of Stock A and $50\%$ of Stock B$.$

What would the realized rate of return on the portfolio have been each year? What would the

average return on the portfolio have been during this period?

c$.$ Calculate the standard deviation of returns for each stock and for the portfolio.

d$.$ Calculate the coefficient of variation for each stock and for the portfolio.

e$.$ Assuming you are a risk$-$averse investor, would you prefer to hold Stock A$,$ Stock B$,$ or the

portfolio? Why?