Lee is single and has two daughters, Ava and Alice. He makes $155,600 in gross income from his job at NASA. During the year he had $6,000 in adjustments. He also had $17,600 in qualified medical expenses and $9,000 in other fully itemized deductions. Use the tax information from your lecture notes to answer the question below. Income tax held throughout the year = $18,500

What is the households average tax?