Eric, a single taxpayer, will have 2013 wages of $70,000. What is Eric's AGI if he has the following (and only the following) additional items in 2013?
• Itemized deductions of $10,000
• Exemption amount of $3,900
• Alimony of $12,000 received by Eric (from his former spouse, Katherine)
• Business income of $6,000 from Eric's sole proprietorship
Ignore any deduction that may relate to self-employment taxes.