$370. You and each co-applicant must also pay an $85 biometric services fee.
People Also Ask
How Long Does it Take to Process a Visa Extension Request? Once you submit your Form I-539, you can expect to wait three to six months before receiving your approval or denial.
Tourists who are in the United States under a B-2 visa (a visitor visa) can spend up to 6 months in the US as a tourist. When a situation arises that requires more time, B-2 visa-holders can petition to extend their stay in the United States beyond the original visa expiration date by filing for an extension of stay.
Generally speaking, a B1 visa is for business-related projects, while a B2 visa is for tourism and pleasure-travel. The government can also issue a B1/B2 visa to business travelers who plan to travel within the US for tourist activities during their stay in the United States.