Does any currency exchange rate risk exist? Why? What is a tariff? How is it implemented and collected? Suppose a US manufacturer sell its product in Brazil, and then Brazil government will append tax...

Does any currency exchange rate risk exist? Why?

What is a tariff? How is it implemented and collected?

Suppose a US manufacturer sell its product in Brazil, and

then Brazil government will append tax on each of the imported product as

direct prohibition cannot be implied on consumer.

A report on what effect the Free Trade Agreement of the

Americas (FTAA) or the possible regional integration, like Mercosur, would have

on each scenario?

Your thoughts about any other factors that would affect

either scenario