please answer all questions!

2. What is the responsibility of a bank that is offering and promoting these derivative products to its customers? Does it have some duty to protect their interests? Who do you think was at fault in this case? 3. If you were a consultant advising firms on their use of foreign currency derivative products, what lessons would you draw from this case, and how would you communicate that to your clients? 2. What is the responsibility of a bank that is offering and promoting these derivative products to its customers? Does it have some duty to protect their interests? Who do you think was at fault in this case? 3. If you were a consultant advising firms on their use of foreign currency derivative products, what lessons would you draw from this case, and how would you communicate that to your clients