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. AGI $80,000 Less: standard deduction 24,000 x Taxable income 56000 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 24,800 X Taxable income $ 50,200 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 18,650 X Taxable income 39,350 X e. Chang, age 42, is divorced but maintains the home in which he and Lei, his daughter, live. Lei is single and qualifies as Chang's dependent. Chang has AGI of $64,000 and itemized deductions of $9,900. AGI $64,000