If you report Research Grants as income, you should report it on line 104, add all the research grants you received that tax year of your income tax return.
Maybe that's why the amount shows up on Line 15000. (all other income in part 2 of your tax return including line 104)
For more information, please click:
TurboTax Research Grants: Income and Expenses
TurboTax Line 15000 (formerly 150) on Your Tax Return
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