2. What is the duty of good faith? To whom does it apply and ca it be disclaimed? 3. Define the Implied Warranty of Merchantability. When and by whom is it given? Can it be disclaimed? 2. What is the duty of good faith? To whom does it apply and ca it be disclaimed? 3. Define the Implied Warranty of Merchantability. When and by whom is it given? Can it be disclaimed