In early $2015,$ Ford Motor$($F$)$ had a book value of equity of $ $25\mathrm{.}2$billion$,3\mathrm{.}9$ billion shares$$ outstanding, and a market price of $ $15\mathrm{.}52$ per share. Ford also had cash of $ $21\mathrm{.}5$billion$,$ and total debt of $ $118\mathrm{.}8$ billion. Three years$$ later, in early $2018,$ Ford had a book value of equity of $ $35\mathrm{.}9$billion$,4\mathrm{.}7$ billion shares outstanding with a market price of $ $10\mathrm{.}79$ per$$ share, cash of $ $26\mathrm{.}7$billion$,$ and total debt of $ $157\mathrm{.}1$ billion. Over this$$ period, what was the change in$$ Ford's

A$)$ market$$ capitalization?

B$)$ market$-$to$-$book ratio?

C$)$ enterprise$$ value?