4. What is the difference between a direct foreign investment and a portfolio foreign investment and which type is a multinational industrial firm likely to make and why? 5. You are the export manager for the San Antonio Boot Company and are considering doing business in Colombia whose currency, the peso, is pegged to the dollar. How would Colombia's BOP statistics be used to forecast whether or not the economic conditions in that country are right for a foreign direct investment? A portfolio investment? Assume that Colombia is running a large deficit in their Current Account. 6. Under the Gold Standard, how was a country's Fixed Exchange Rate defended and what did that imply about it' money supply? Did it work? Be specific