In early 2015, Ford Motor (F) had a book value of equity of $ 24.4 billion, 3.9 billion shares outstanding, and a market price of $ 15.66 per share. Ford also had cash of $ 21.5 billion, and total debt of $ 117.6 billion. Three years later, in early 2018, Ford had a book value of equity of $ 34.9 billion, 10.3 billion shares outstanding with a market price of $ 11.77 per share, cash of $ 26.1 billion, and total debt of $ 154.7 billion. Over this period, what was the change in Ford's a. Over the 3-year period, what was the change in Ford's market capitalization? b. Over the 3-year period, what was the change in market-to-book ratio? c. Over the 3-year period, what was the change in enterprisevalue?