25B [Definition of fundamental breach];
39A [Requirement to notify seller of lack of conformity: buyer must notify seller within reasonable time];
72A [Avoidance prior to date for performance: when clear that party will commit fundamental breach];
74A [Damages (general rules for measuring): loss suffered as consequence of breach];
75A1 [Damages established by substitute transaction after avoidance: resale by aggrieved seller];