Required information The following information applies to the questions displayed below In 2017, Jeff, who is single, is entitled to the following deductions before phase-outs: Exhibit 6-12 State income taxes Real estate taxes Home mortgage interest 8,200 Charitable contributions 1,700 $7,850 1,900 a. Assume that Jeff's AGI is $280,000. Calculate Jeff's itemized deductions after considering the overall phase-out of itemized deductions