In early

$20182018,$

FordFord

Motor$($F$)$ had a book value of equity of

$$$$34\mathrm{.}834\mathrm{.}8$

$$billion$,$

$$$$3\mathrm{.}53\mathrm{.}5$

billion shares$$ outstanding, and a market price of

$$$$12\mathrm{.}1912\mathrm{.}19$

per share.

FordFord

also had cash of

$$$$38\mathrm{.}938\mathrm{.}9$

$$billion$,$ and total debt of

$$$$154\mathrm{.}7154\mathrm{.}7$

billion. Four years$$ later, in early

$20222022,$

FordFord

had a book value of equity of

$$$$48\mathrm{.}448\mathrm{.}4$

$$billion$,$

$$$$4\mathrm{.}84\mathrm{.}8$

billion shares outstanding with a market price of

$$$$20\mathrm{.}2220\mathrm{.}22$

per$$ share, cash of

$$$$49\mathrm{.}949\mathrm{.}9$

$$billion$,$ and total debt of

$$$$138\mathrm{.}3138\mathrm{.}3$

billion. Over this$$ period, what was the change in

FordFord$\text{'}$s