It’s complicated.
Her income is added to you income to
determine your tax rate; so you could be pushed into a higher tax bracket. The
additional income could reduce you Earned Income Credit (EIC).
The
only say to be sure is to prepare mock returns. That’s not easy with the online
software, but this tool will work. https://turbotax.intuit.com/tax-tools/calculators/taxcaster/?s=1. Enter your income first to see the regular tax. Then add her income to
see the effect.
