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6. Use the 2020 tax rate schedules to determine the tax liability for each of the following taxpayers below. (10 points) A) A single taxpayer with taxable income of $19,450. B) A married couple filing jointly with taxable income of $175,000 C) A taxpayer filing head of household with taxable income of $94,930. D) A taxpayer filing married filing separately with taxable income of $175,000 E) A married couple filing jointly with taxable income of $19,450