In 2021, Nadia is single and has $106,000 of regular taxable income. She itemizes her deductions as follows: real property taxes of $1,800, state income taxes of $2,300, and mortgage interest expense of $11,500 (acquisition indebtedness of $200,000). In addition, she receives tax-exempt interest of $1,600 from a municipal bond (issued in 2006) that was used to fund a new business building for a (formerly) out-of-state employer. Finally, she received a state tax refund of $450 from the prior year.

a-1. What is Nadia's AMTI this year if she deducted $15,750 of itemized deductions last year and did not owe any AMT last year? Description Amount AMTI