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 after avoidance: repurchase by aggrieved buyer];

76B [Damages recoverable based on current price];

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

79B ; 79C [Impediments excusing party from liability for damages; Other problems: hardship]