You decide to form a portfolio of the following amounts invested in the following stocks. What is the beta of the portfolio? Stock Amount @ Expected Return Exxon $2,000 0.60 9% IBM $3,000 0.95 13% General Motors $1,000 1.15 13% Microsoft $4,000 1.35 14% a) 1.01 c) 12.6 e) 4.05 b) 1.06 d)51.6