Illinois principles of contract construction. See LaSalle Nat’l Bank v. Service Merchandise Co., 827 F.2d 74, 78 (7th Cir.1987). Under Illinois law, a plaintiff must establish the following elements to prevail on a breach of contract claim: (1) the existence of a valid and enforceable contract; (2) performance by the plaintiff; (3) breach by the defendant; and (4) injury to the plaintiff resulting from the breach. See South Central Bank and Trust Co. v. Citicorp Credit Services, Inc., 863 F.Supp. 635, 640 (N.D.Ill.1994). Where there is no provision to the contrary in the contract, the customs and usages of the trade are presumed to form a part of the contract. See Fifteenth Ave. Christian Church v. Moline Heating and Construction Co., 131 Ill.App.2d 766, 265 N.E.2d 405, 408 (1970) (<HOLDING>). B. Good Faith and Fair Dealing In Illinois,
holding that for a suit to be brought in the venue in which the contract was to be performed the contract must expressly state where the performance of the contract was to occur holding courts should interpret the contract using the references of the particular customs and usages of the trade of the parties to the contract holding that the arbitrator did not exceed his authority because it was necessary to interpret the contract to resolve the parties dispute recognizing that the elements of a claim for breach of contract are 1 existence of a valid contract and 2 breach of the terms of that contract holding that when a contract is unambiguous the court will enforce the plain meaning of the contract as the intention of the parties