A firm has total debt of $$1,540$ and a debt$-$equity ratio of $\mathrm{.}39.$ What is the value of equity?

A$.$ $$5,488\mathrm{.}72$

B$.$ $$6,006\mathrm{.}00$

C$.$ $$3,900\mathrm{.}00$

D$.$ $$3,948\mathrm{.}72$

E$.$ $$2,140\mathrm{.}60$