25B [Definition of fundamental breach: substantial deprivation of expectation, etc.];

45A [Buyer's remedies for breach by seller];

49A [Buyer's right to avoid contract (grounds for avoidance): fundamental breach of contract];

74A [General rules for measuring damages: loss suffered as consequence of breach];

75A2 [Damages established by substitute transaction (substitute transaction after avoidance): repurchase by aggrieved buyer];

77A [Obligation to take reasonable measures to mitigate damages]