18A3 [Criteria for acceptance of offer: silence or inactivity insufficient];

29A [Modification of termination of contract by agreement];

73C1 [Avoidance in installment contracts: avoidance for both past and future installments];

75A1 [Damages established by substitute transaction: resale by aggrieved seller];

76B [Avoidance: damages recoverable based on current price];

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

79B [Impediments excusing a party from liability for damages]