Marley, age 70 and head of household (unmarried), had income of $37,000 and exclusions of $500. Marley had adjustments/deductions for AGI of $2,500, and his itemized deductions for the year totaled $21,000. Marley had a QBI deduction of $1,000. Marley is entitled to a tax credit of $2,000. Marley is deaf. What is Marley’s taxable income