Xio, a South Asian country, exported goods worth $650 million and imported goods worth $500 million in the last fiscal year. The country also made foreign investments worth $400 million and provided foreign aid worth $200 million in disaster relief. Besides this, the country took a loan of $10 billion from the World Bank. This flow of money into and out of Xio is measured by _____. Group of answer choices opportunity cost the balance of trade articles of organization the balance of payments