In mid-2015, Cisco Systems had a market capitalization of $133 billion. It had A-rated debt of $27 billion as well as cash and short-term investments of $58 billion, and its estimated equity beta at the time was 1.38. a. What is Cisco's enterprise value? b. Assuming Cisco's debt has a beta of zero, estimate the beta of Cisco's underlying business enterprise. a. What is Cisco's enterprise value? Cisco's enterprise value is $billion. (Round to the nearest integer.) b. Assuming Cisco's debt has a beta of zero, estimate the beta of Cisco's underlying business enterprise. The beta of Cisco's underlying business enterprise is (Round to two decimal places.)