In December 2018 , General Electric (GE) had a book value of equity of $51.2 billion, $8.7 billion shares outstanding, and a market price of $7.92 per share. GE also had cash of $69.4 billion, and total debt of $112.2 billion.

a. What was GE's market capitalization? What was GE's market-to-book ratio?

b. What was GE's book debt-equity ratio? What was GE's market debt-equity ratio?

c. What was GE's enterprise value?