FILE - In this Jan. 11, 2021, file photo, state Rep. Rusty Bowers, R-Mesa, is sworn in during the opening of the Arizona Legislature at the state Capitol, in Phoenix. A budget deal struck between Republican leaders Bowers and Arizona Senate President Karen Fann, R-Prescott, and Gov. Doug Ducey includes implementing a flat 2.5% income tax that cuts $1.5 billion a year from state revenue and keeps higher earning taxpayers from having to directly pay a new 3.5% surcharge to fund schools. (AP Photo/Ross D. Franklin, Pool, File)

FILE - In this April 21, 2021, file photo, Arizona Gov. Doug Ducey addresses the media at the U.S-Mexico border in Yuma, Ariz. A budget deal struck between Republican leaders of the Arizona Legislature and Ducey includes implementing a flat 2.5% income tax that cuts $1.5 billion a year from state revenue and keeps higher earning taxpayers from having to directly pay a new 3.5% surcharge to fund schools. (Randy Hoeft/The Yuma Sun via AP, File)

FILE - In this May 26, 2020, file photo, Arizona Senate President Karen Fann, R-Prescott, speaks to the media in Phoenix. A budget deal struck between Republican leader Fann and Rep. Rusty Bowers, R-Mesa, and Gov. Doug Ducey includes implementing a flat 2.5% income tax that cuts $1.5 billion a year from state revenue and keeps higher earning taxpayers from having to directly pay a new 3.5% surcharge to fund schools. (AP Photo/Ross D. Franklin, File)