chris is a single person without dependents. in tax year 2017 chris adjusted gross income (agi) was 50,000 and is entitled to a personal exemption and uses the standard deduction . how high is this personal exemption for tax year 2017?

What was the standard deduction for 2017?

How much did Chris have to pay in federal personal income taxes for 2017?

what fraction of AGI did chris pay in federal personal income taxes