Campbell Concrete Company pours concrete slabs for single-family dwellings. Lancing Construction Company, which operates outside Campbell's normal sales territory, asks Campbell to pour 40 slabs for Lancing's new development of homes. Campbell has the capacity to build 400 slabs and is presently working on 190 of them. Lancing is willing to pay only $2,590 per slab. Campbell estimates the cost of a typical job to include unit-level materials, $920; unit-level labor, $510; and an allocated portion of facility-level overhead, $1,240. Required Calculate the contribution to profit from the special order. Should Campbell accept or reject the special order to pour 40 slabs for $2,590 each