276 S.E.2d 283 (1981)
James L. OLIVER, Jr. and Craven Venture Management, Inc.
James L. OLIVER, Jr. and Craven Venture Management, Inc.
v.
John B. ROBERTS and John Roberts, Ltd.
Supreme Court of North Carolina.
January 27, 1981.White & Crumpler, Winston-Salem, for plaintiffs.
Hudson, Petree, Stockton, Stockton & Robinson, Winston-Salem, for defendants.
Petition by plaintiffs for writ of certiorari. 49 N.C.App. 34, 271 S.E.2d 399. Denied.