ered by Castaneda. FN3 I. See White Hawk Ranch, Inc. v. Hop- kins, No. CIV.A.91-CV29-DD, 1998 WL 94830, at *3 (N.D.Miss. Feb.12, 1998). See also 2 E. Allan Farnsworth, Farns- worth on Contracts § 8.16 at 442 (2d ed. 1990) (recognizing that substantial per- formance is performance without a materi- al breach, and a