Use the following table of states of the economy and stock retums to calculate the expected return on a portfolio of 52 percent Roll and the rest in Ross. Use the following table of states of the economy and slock returns to calculate the percentage standard deviabon of a poitfollo of a portiolo of 40 percent Roll and the rest in Ross Refer to the tablo below Uning the information provided on the two stocks in the table above, find the expecled return on the mininam viriance portiolio. (Do not round intemed