Martin, a single taxpayer, earns $96,000 per year in taxable income and an additional $12,000 per year in city of Las Cruces bonds (tax exempt), if Martin earns an additional $90,000 in taxable income in year 2021, what is his marginal tax rate (rounded 2 decimal places xxxx) on this additional income?

Tess, a single taxpayer, earns $96,000 in taxable income and $9,000 in interest from an investment in municipal bonds (tax exempt) from the city of El Paso. Using the US tax rate schedule for year 2021, what is her effective tax rate?

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