Use the following data to calculate Chiara's AMT base in 2019: Taxable income Positive AMT adjustments Negative AMT adjustments $248,000 73,000 25,000 30,000 AMT Preferences Chiara will file as a single taxpayer and chooses to itemize her deductions. Click here to access the exemption table. Chiara's taxable income $248,000 Plus or minus: Plus: Equals: AMTI Less: Equals: AMT base