Rocket Medical recently reported $12,500 of sales, $6,500 of operating costs other than depreciation, and $1,250 of depreciation. The company had $3,500 of bonds that carry a 7.5% interest rate, and its federal- plus-state income tax rate was 25%. During the year, the firm had expenditures on fixed assets of $2,500 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