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please help due very soon

1. The Lees, a family of two adults and two dependent children under age 16 , had a gross annual income of $68,000 for 2017. Determine their standard deduction, exemption, and child tax credit amounts, as well as their marginal and average tax rates, assuming their filing status is married filing jointly. 9. Aliza Grajek is a self-employed nurse with 2017 gross income of $68,000 and taxable annual income (federal and state) of $55,000 after adjustments, exemptions, and deductions. Calculate her total 2017 income tax liability, including federal and FICA taxes. 1. The Lees, a family of two adults and two dependent children under age 16 , had a gross annual income of $68,000 for 2017. Determine their standard deduction, exemption, and child tax credit amounts, as well as their marginal and average tax rates, assuming their filing status is married filing jointly. 9. Aliza Grajek is a self-employed nurse with 2017 gross income of $68,000 and taxable annual income (federal and state) of $55,000 after adjustments, exemptions, and deductions. Calculate her total 2017 income tax liability, including federal and FICA taxes