4 5.72 points Geronimo files his tax return as a head of household for year 2021. If his taxable income is $73,200, what is his average tax rate? (Use tax rate schedule.) (Round your final answer to two decimal places.) 01:07:29 Multiple Choice 14.21 percent References 16.22 percent 11.58 percent 22.00 percent None of the choices are correct.