Citibank holds $31 million in foreign exchange assets and $19 million in foreign exchange liabilities. Citibank also conducted foreign currency trading activity in which it bought $8 million in foreign exchange contracts and sold $16 million in foreign exchange contracts. Answer the following questions 1. What is Citibank's net foreign assets? 2. What is Citibank's net foreign exchange bought? 3. What is Citibank's net foreign exposure?