Sadie earns $40,000 a year and does not itemize her deductions. For 2017: Standard deduction: $6,300 Personal Exemption: $4,050 Tax Brackets 10% rate from $0 to $9,325 taxable income 15% rate from $9,325 to $37,950 taxable income For 2018: Standard Deduction: $12,000 No Exemptions Tax Brackets 10% rate from $0 to $9,525 taxable income 12% rate from $9,525 to $38,700 taxable income Under the new tax system: How will her taxable income change? How will her taxes due change? What is her new marginal tax rate? What is her new average tax rate?