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Shrives Publishing recently reported $$11,500$ of sales, $$5,500$ of operating costs other than depreciation, and $$1,250$ of depreciation. The company had $$3,500$ of bonds that carry a $6\mathrm{.}25\%$ interest rate, and its federal$-$plus$-$state income tax rate was $25\%.$ During the year, the firm had expenditures on fixed assets and net operating working capital that totaled $$1,550.$ These expenditures were necessary for it to sustain operations and generate future sales and cash flows. What was its free cash flow?

a$.$ $$4,812,50$

b$.$ $$4,450,00$

c$.$ $$3,262\mathrm{.}50$

d$.$ $$2,012\mathrm{.}50$

e$.$ $$6,362\mathrm{.}50$