Over a $20-$year period an investment of $$1,000$ in common stocks returned an average of

$11\%$ in nominal terms and $3\%$ in real terms. What was the portfolio value in real terms at the

end of the $20$ years?

If your answer to this or any other question is$,$ for example, $$1,050,$ please enter as your answer $1050($not the $ sign

and no comma$).$

$1050$ is not the correct answer $-$ it is just an example.What is the beta of a $3-$stock portfolio including $25\%$ of stock A with a beta of $0\mathrm{.}90,45\%$ of stock B with a beta of $1\mathrm{.}05,$ and $30\%$ of stock C with a beta of $1\mathrm{.}71$