In early 2015, Ford Motor (F) had a book value of equity of $24.9 billion, 4.1 billion shares outstanding, and a market price of $15.73 per share. Ford also had cash of $21.6 billion, and total debt of $118.2 billion. Three years later, in early 2018, Ford had a book value of equity of $34.3 billion, 10.2 billion shares outstanding with a market price of $11.67 per share, cash of $26.2 billion, and total debt of $156.7 billion. Over this period, what was the change in Ford's a. book debt-equity ratio? b. market debt-equity ratio? a. From 2015 until 2018, what was Ford's change in book debt-equity ratio? The change in Ford's book debt-equity ratio was (Round to two decimal places.) b. From 2015 until 2018, what was Ford's change in market debt-equity ratio? The change in Ford's market debt-equity ratio was (Round to two decimal places.) In early 2015, Ford Motor (F) had a book value of equity of $24.9 billion, 4.1 billion shares outstanding, and a market price of $15.73 per share. Ford also had cash of $21.6 billion, and total debt of $118.2 billion. Three years later, in early 2018, Ford had a book value of equity of $34.3 billion, 10.2 billion shares outstanding with a market price of $11.67 per share, cash of $26.2 billion, and total debt of $156.7 billion. Over this period, what was the change in Ford's a. book debt-equity ratio? b. market debt-equity ratio? a. From 2015 until 2018, what was Ford's change in book debt-equity ratio? The change in Ford's book debt-equity ratio was (Round to two decimal places.) b. From 2015 until 2018, what was Ford's change in market debt-equity ratio? The change in Ford's market debt-equity ratio was (Round to two decimal places.)