In December $2018,$ General Electric $($GE$)$ had a book value of equity of $\backslash (\backslash$$ $51\mathrm{.}1\backslash )$ billion, $8\mathrm{.}7$ billion shares outstanding, and a market price of $\backslash (\backslash$$ $7\mathrm{.}97\backslash )$ per share. GE also had cash of $\backslash (\backslash$$ $68\mathrm{.}9\backslash )$ billion, and total debt of $\backslash (\backslash$$ $112\mathrm{.}5\backslash )$ billion.

a$.$ What was GE's market capitalization? What was GE's market$-$to$-$book ratio?

b$.$ What was GE's book debt$-$equity ratio? What was GE's market debt$-$equity ratio?

c$.$ What was GE's enterprise value?