te on its face is an integrated agreement as a matter of law." floppy Dock Trading Co., Ltd. Argo Industries, Inc., 602 F.Supp. 986, 941 (quoting Battery S.S. Corp. Refineria Pan- ama S.A, 513 F.24 735, 738 n. 3 (2d Cir. 1975)). The parole evidence rule serves to protect a party to a written contract from inf