Answer:
c. 11.8%
Explanation:
We have been given that Andrew earns $45,300 in taxable income annually, and pays federal income taxes of $5,345.40.
To find Andrew's net federal income tax rate, we need to find $5,345.40 is what percent of $45,300.



Therefore, Andrew's net federal income tax rate is 11.8% and option 'c' is the correct choice.