Madison Metals recently reported $18,000 of sales, $8,000 of operating costs other than depreciation, and $4,000 of depreciation. The company had no amortization charges and no non-operating income. It had issued $4,000 of bonds that carry a 10% interest rate, and its federal-plus-state income tax rate was 40%. What was the firm's taxable, or pre-tax, income? (Note You are not asked to calculate the net income here; When enter your answer, please enter as a whole number, i.e., no decimal)