In early 2015,Ford Motor (F) had a book value of equity of $24.6 billion, 3.9 billion shares outstanding, and a market price of $15.84 per share. Ford also had cash of

$ 21.6 billion, and total debt of $119.5 billion. Three years later, in early 2018, Ford had a book value of equity of $34.8 billion,10.3 billion shares outstanding with a market price of

$ 11.81 per share, cash of $26.9 billion, and total debt of $159.2 billion. Over this period, what was the change in Ford's a. market capitalization?

b. market-to-book ratio?

c. enterprise value?