Required information [The following information applies to the questions displayed below.] In 2021, Nadia is single and has $130,000 of regular taxable income. She itemizes her deductions as follows: real property taxes of $3,000, state income taxes of $3,500, and mortgage interest expense of $17,500 (acquisition indebtedness of $200,000). In addition, she receives tax-exempt interest of $4,000 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 $1,050 from the prior year. (Amounts to be deducted should be indicated by a minus sign.) a-1. What is Nadia's AMTI this year if she deducted $18,750 of itemized deductions last year and did not owe any AMT last year? AMTI Description Amount b-1. What is Nadia's AMTI this year if she deducted the standard deduction last year and did not owe any AMT last year? AMTI Description Amount