Thornton Concrete Company pours concrete slabs for single-family dwellings. Lancing Construction Company, which operates outside Thorntons normal sales territory, asks Thornton to pour 47 slabs for Lancings new development of homes. Thornton has the capacity to build 490 slabs and is presently working on 140 of them. Lancing is willing to pay only $2,690 per slab. Thornton estimates the cost of a typical job to include unit-level materials, $890; unit-level labor, $420; and an allocated portion of facility-level overhead, $1,440. Required Calculate the contribution to profit from the special order. Should Thornton accept or reject the special order to pour 47 slabs for $2,690 each