In 2013, Maria (who files as a head of household) reported regular taxable income (before exemptions) of $122,600. She itemized her deductions, deducting $8,000 in charitable contributions and $3,000 in state income taxes, $10,000 for regular home mortgage interest. She claimed exemptions for herself and her son, Hermes, ($3,800 each). What is Maia's alternative minimum taxable income?