Could someone please help answer

In early 2015, Ford Motor (F) had a book value of equity of $24.3 billion, 4.1 billion shares outstanding, and a market price of $15.78 per share. Ford also had cash of $21.6 billion, and total debt of $118.3 billion. Three years later, in early 2018, Ford had a book value of equity of $34.7 billion, 10.7 billion shares outstanding with a market price of $10.53 per share, cash of $26.1 billion, and total debt of $154.4 billion. Over this period, what was the change in Ford's a. market capitalization? b. market-to-book ratio? c. enterprise value? a. Over the 3-year period, what was the change in Ford's market capitalization? The change in Ford's market capitalization was $ billion. (Round to two decimal places.) b. Over the 3-year period, what was the change in Ford's market-to-book ratio? The change in Ford's market-to-book ratio was (Round to two decimal places.) c. Over the 3-year period, what was the change in Ford's enterprise value? The change in Ford's enterprise value was $ billion. (Round to two decimal places.)