Given the following information, what should be the net working capital?

Current ratio $=2\mathrm{.}5$; Current liabilities $=$ $$40,000$

Pick one

a$.$ $$24,000.$b$.$

b$.$ $$120,000.$

c$.$ $$20,000.$

d$.$ $$-40,000.$

e$.$ $$60,000.$

f$.-$$$60,000.$