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12. (6 points) Portfolio Return Year-to-date, Company X had earned a 2.5 percent return. During the same time-period, Company Y earned + 10 percent and Company Z earned-8 percent (negative 8%). If you have a portfolio made up of 40 percent Company X, 35 percent Company Y, and 25 percent Company Z, what is your portfolio return? 13. (12 points) You hold the positions in the table below. COMPANY Goodmonth Icestone PRICE # SHARES $15.00 $10.00 $25.00 400 300 440 ETA +2.6 -4.0 2.4 A. What is the beta of your portfolio? Beta