Och, Inc., has current assets of $$4,230,$ net fixed assets of $$25,700,$ current liabilities of $$3,500,$ and long$-$term debt of $$14,400.$

a$.$ What is the value of the shareholders$$ equity account for this firm? $($Do not round intermediate calculations.$)$

b$.$ How much is net working capital for this firm? $($Do not round intermediate calculations.$)$