Your net zakatable wealth is $6,000.00, above the nisab of $595.00.
The 2.5% Zakat rate gives a total obligation of $150.00.
Zakat is due once your wealth has been above nisab for a complete lunar year (hawl). If this is your first year above nisab, mark your hawl date and recalculate then.
Next stepPay your Zakat before or during Ramadan if possible. You may distribute it directly or through a trusted Zakat organisation.