Brown Office Supplies recently reported $14,000 of sales, $8,250 of operating costs other than depreciation, and $1,750 of depreciation. It had $9,000 of bonds outstanding that carry a 7.0% interest rate, and its federal-plus-state income tax rate was 25%. How much was the firm's earnings before taxes (EBT)? O $3,370 0 $2,763 O $3,100 $4,145 O $3,168