Henry and Janice are married and file jointly. They have an AGI (and modified AGI) of $300,000, which includes $100,000 of salary, $180,000 of active business income, $20,000 of interest income, $25,000 of dividends, and $5,000 of long-term capital gains. What are Henry and Janice's Net Investment Income tax liability this year, rounded to the nearest whole dollar amount?