Please help me study for a test by helping me with this question.

Quatro Corporation makes payments to potential customers, suppliers, and other potential business contacts, including foreign private companies and the representatives of foreign labor organizations. If Quatro knows that these payments will be passed to a foreign government, this practice is what?

1. legal if payments intended to facilitate business
2. legal if private parties are involved on both sides of the deal
3. legal if a third party acts as a "go between"
4. illegal if payments violate the Foreign Corrupt Practices Act