Sylvester files as a single taxpayer during 2021. He itemizes deductions for regular tax purposes. He paid charitable contributions of $7,200, real estate taxes of $3,900, state income taxes of $4,550, and mortgage interest of $2,400 on $33,000 of acquisition indebtedness on his home. Sylvester's regular taxable income is $141,000. What is Sylvester's AMTI? AMTI