4B [Scope of Convention (issues excluded): set-off];

8A [Interpretation of party's statements or other conduct];

14A1 [Basic criterion for an offer (intention to be bound in case of acceptance): definiteness of key terms];

47A [Buyer's right to fix additional period for performance];

49A [Buyer's right to avoid contract: grounds for avoidance];

76B1 [Damages based on current price at time of avoidance];

79B1 [Impediments excusing party from damages: general elements for excusing]