Jim Angel holds a $200,000 portfolio consisting of the following stocks: Stock Investment Beta A $50,000 1.20 B $50,000 0.80 C $50,000 1.00 D $50,000 1.20 Total $200,000 What is the portfolio's beta? Do not round your intermediate calculations. a. 0.861 b. 0.809 c. 1.050 d. 1.239 e. 1.040