(1) Terms with respect to which the confirmatory memoranda of the parties agree or which are otherwise set forth in a writing intended by the parties as a final expression of their agreement with respect to such terms as are included therein may not be contradicted by evidence of any prior agreement or of a contemporaneous oral agreement but may be explained or supplemented:
By course of dealing or usage of trade or by course of performance; and
By evidence of consistent additional terms unless the court finds the writing to havebeen intended also as a complete and exclusive statement of the terms of the agreement.
Source: L. 91: Entire article added, p. 280, § 1, effective July 1, 1992.