You are analyzing the beta for Hewlett Packard and have broken down the company into four broad business groups, with market values and betas for each group. Business Group Market Value of Equity Levered Beta Mainframes $3.0 billion 2.10 Personal computers 4.0 billion Software 1.0 billion 1.20 Printers 2.0 billion 0.70 Estimate the beta for Hewlett Packard as a company. (Hint: beta is a weighted average of betas across business groups) 1.50 Select one: O a. 1.29 b. 1.79 C. 1.49 d. 1.59 Give your reasons A B T A