b. Sybil, age 40, is single and supports her dependent parents who live with her, as well as her grandfather who is in a nursing home. She has AGI of $80,000 and itemized deductions of $8,000. $80,000 AGI Less: standard deduction 18,350 X Taxable income 61,650 X C. Scott, age 49, is a surviving spouse. His household includes two unmarried stepsons who qualify as his dependents. He has AGI of $75,000 and itemized deductions of $10,100. AGI $75,000 Less: standard deduction 24,400 x Taxable income 50,600 X d. Amelia, age 33, is an abandoned spouse who maintains a household for her three dependent children. She has AGI of $58,000 and itemized deductions of $10,650. AGI $58,000 Less: standard deduction 18,350 X Taxable income $ 39,650 X b. Sybil, age 40, is single and supports her dependent parents who live with her, as well as her grandfather who is in a nursing home. She has AGI of $80,000 and itemized deductions of $8,000. $80,000 AGI Less: standard deduction 18,350 X Taxable income 61,650 X C. Scott, age 49, is a surviving spouse. His household includes two unmarried stepsons who qualify as his dependents. He has AGI of $75,000 and itemized deductions of $10,100. AGI $75,000 Less: standard deduction 24,400 x Taxable income 50,600 X d. Amelia, age 33, is an abandoned spouse who maintains a household for her three dependent children. She has AGI of $58,000 and itemized deductions of $10,650. AGI $58,000 Less: standard deduction 18,350 X Taxable income $ 39,650 X