novellus inc. is a publicly traded company that operates in three businesses with the following characteristics: revenues (in millions) estimated enterprise value (in millions) unlevered beta storage device $600.00 $400.00 0.9 electronics $500.00 $600.00 1.2 social media $400.00 $800.00 1.8 the firm has 100 million shares trading at $ 12/share, has no cash balance and raises the rest of its funding from debt. the marginal tax rate is 40%. a. estimate the current levered beta for the firm.