Question 9 What is the weighted average beta of a portfolio with $75,000 invested in Company A with a beta ut 1.35.5125.000 B with a beta of 1.8. $25,000 in company with a beta of 0.65, and $85,000 in company with a beta O c) 1.47 O a) 1.28 od) 1.00 b) 1.32