Bartling Energy Systems recently reported $$9,250$ of sales, $$5,750$ of operating costs other than depreciation, and $$775$ of depreciation. The company had no amortization charges, it had $$3,200$ of outstanding bonds that carry a $5\%$ interest rate, and its federal$-$plus$-$state income tax rate was $25\%.$ In order to sustain its operations and thus generate sales and cash flows in the future, the firm was required to make $$1,250$ of capital expenditures on new fixed assets and to invest $$300$ in net operating working capital. By how much did the firm's net income exceed its free cash flow?

Select the correct answer.

a$.$ $$650$

b$.$ $$646$

c$.$ $$641$

d$.$ $$655$

e$.$ $$660$