Where the buyer wrongfully rejects or revokes acceptance of goods or fails to make a payment due on or before delivery or repudiates with respect to a part or the whole, then with respect to any goods directly affected and, if the breach is of the whole contract (G.S. 25-2-612), then also with respect to the whole undelivered balance, the aggrieved seller may
N.C. Gen. Stat. § 25-2-703