4. Poll, Inc. had sales of $6 million during the past year. The cost of goods sold amounted to $3 million. Operating expenses totaled $ 2.6 million and interest expense was $30.000. Determine the firm's taxable income and total tax liability for 2x01: For calculating of tax liability use the following tax rates Tax rate Income $0-$50,000 $ $50,001-$75,000 15% 25% $75,001-$100,000 34% $100,001 $335,000 39%