John Smith, a U.S. based businessman, paid the equivalent of $20 to an official of the country of :

Murundi to expedite the overnight delivery of critical documents. When questioned, John Smith claimed this was not a bribe. The $20 is an example of:

1) a bribe. 2) an under-the-table payment. 3) a violation of the Foreign corrupt practices act. 4) a grease payment. 5) an inappropriate payment.