In early 2009, General Electric (GE) had a book value of equity of $105 billion, 10.5 billion shares outstanding, and a market price of $10.80 per share. GE also had cash of $48 billion, and total debt of $524 billion. Three years later, in early 2012, GE had a book value of equity of $116 billion, 10.6 billion shares outstanding with a market price of $17 per share, cash of $84 billion, and total debt of $410 billion. Over this period, what was the change in GE’s

a. market capitalization?

b. market-to-book ratio?

c. enterprise value?