Brown Office Supplies recently reported $$25,000$ of sales, $$15,500$ of operating costs other than depreciation, and $$1,250$ of depreciation. It had $$12,000$ in bonds outstanding that carry a $6\mathrm{.}5\%$ interest rate, and its total tax rate was $40\%.$ How much was the firm's operating profit after taxes $($NOPAT$)?$