Petition by defendant (Brenco) for discretionary review pursuant to G.S. 7A-31 denied 28 July 1994. Petition by defendant (Brenco) for writ of certiorari to review the decision of the North Carolina Court of Appeals denied 28 July 1994. Petition by defendant (Wal-Mart) for discretionary review pursuant to G.S. 7A-31 denied 28 July 1994. Petition by defendant (Wal-Mart) for writ of certiorari to review the decision of the North Carolina Court of Appeals denied 28 July 1994.