$20)$ A person has $$1,550$ in liabilities, monthly savings of $$200,$ and monthly gross income of $$2,000.$ What is the person's savings ratio?

A$)0\mathrm{.}77$

$6)0\mathrm{.}10$

C$)2\mathrm{.}35$

D$)0\mathrm{.}16$

E$)12\mathrm{.}90$