John Krasinski (single):

• Regular taxable income: $131,000.
• Regular tax liability: $22,365.
• Tax-exempt interest on Boston bond used to pay for renovations to the Fenway stadium (private activity) $600
• Itemized deduction for state/local taxes $10,000 (Courtney chose itemized deduction not standard deduction during the year)
• State income tax refund included in regular taxable income $900
• Qualified dividend $1,100 included in regular taxable income

Determine Johns (1) alternative minimum taxable income (AMTI), (2) alternative minimum tax (AMT) base, (3) tentative AMT, and (4) AMT.