In April 2013, General Electric (GE) had a book value of equity of $123 billion, 10.3 billion

Question:

In April 2013, General Electric (GE) had a book value of equity of $123 billion, 10.3 billion shares outstanding, and a market price of $23 per share. GE also had cash of $90 billion, and total debt of $397 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?