need help with answering a through c

P.J. Chase Stanley Bank holds $75 million in foreign exchange assets and $68 million in foreign exchange liabilities. P.J. Chase Stanley also conducted foreign currency trading activity in which it bought $165 million in foreign exchange contracts and sold $128 million in foreign exchange contracts. a. What is P.J. Chase Stanley's net foreign assets? b. What is P.J. Chase Stanley's net foreign 'exchange bought? c. What is P.J. Chase Stanley's net foreign exposure? (For all requirements, enter your answers in millions.)