6A [Modification of Convention by contract/conduct of parties (waiver of 10-day notice clause)];
8B [Intent of parties: interpretation based on objective standards];
35A [Conformity of goods to contract: quality, quantity and description required by contract];
38A1 [Buyer's obligation to examine goods as soon as practicable in the circumstances];
39A2 ; 39A11 [Requirement to notify seller of lack of conformity: buyer must notify seller within reasonable time];
78B [Rate of interest: domestic statutory rate; accrual of interest: from date of seller's formal request for payment, even though formal request not required]