$8000 is the income threshold above which a Massachusetts non-resident must file a non-resident MA tax return. So all you have to do is file a non-resident MA return in addition to your return in your home state.
In TurboTax, be sure to complete your non-resident state return before you do your home state return, so that you receive credit on your home return for taxes paid to the non-resident state.
**Answers are correct to the best of my ability but do not constitute tax or legal advice.
