If the investor invests $1000 in A, $2000 in B, $3000 in C and $4000 in D. What is the return of this portfolio in each state of the economy?
A) What is the expected return, standard deviation and variance of the portfolio?
B) Given the dollar investments given above, if Stock A, B, C and D have betas of 1.56, 1.32, 0.1 and 0.7, respectively, what is the beta of this portfolio?