According to the Office of the United States Trade Representative, a few years back, the United States exported $35.7 billion worth of aircraft to the European Union and imported $3.2 billion worth of essential oils from the region. Which is LEAST likely about these exchanges? Group of answer choices People focused on their comparative advantage. Money enabled more complicated exchanges than just direct trade. The aircraft and essential oils were produced at their lowest opportunity cost. Since the European Union imported more than the United States, only the European Union experienced gains from trade.