Max, a single taxpayer, has determined her taxable income is $76,000. She also received interest from an investment in City of Hawkins bonds of $13,000 (municipal bonds), which are considered non-taxable for federal purposes.

(a) Using the U.S. tax rate schedule for year 2020, how much federal tax will Max owe given the above information?

(b) What is her average tax rate?

(c) What is her effective tax rate?

(d) What is her current marginal tax rate?

(e) If Max earned an additional $27,000 of taxable income, what would her marginal tax rate on this additional income only be?