Grocery Operations

WAYNE, N.J. -- There may be a free lunch, after all -- as long as it's a second lunch put together from sandwich components cross-promoted by Grand Union Co. here. The ad was divided into three segments, one for each department. A photograph of a basket of Kaiser rolls and a sandwich on a roll set off the bakery segment."Get one package of six golden brown, crusty, baked-fresh-in-store Kaiser rolls