12. If you were a traveling coffee buyer for the wholesale market (a "coyote" by industry terminology), which of the following currency rates and exchange commission fees would be in your best interest if traveling to Vietnam on buying trip with an initial $15,000 for exchange? Currency Exchange Rate Commission Vietnamese bank rate d19,800 2.50% Saigon Airport exchange bureau rate d19,500 2.00% Hotel exchange bureau rate d19,400 1.50%