Below you see scatterplot (with the line of the best fit) for monthly excess returns on the stock of Freeport-McMo Ran, Inc (FC) Inc versus excess returns on the SP500 index. FCX vs. SPY Monthly. past 36 months +40% +30% pogo o +20% +10% FCX 0% -10% O Robot -2- -20% Y=2 +1.67"x -30% -40% -15% -10% -5% 0% 5% 10% 15% SPY a. What is the value of equity beta of FOX b. If market excess return is equal to 5%, estimate expected return on the equity of PCX