Campbell Concrete Company pours concrete slabs for single-family dwellings. Lancing Construction Company, which operates outside Campbeli's normal sales territory. asks Campbell to pour 54 slabs for Lancing's new development of homes. Campbell has the capacity to build 450 slabs and is presently working on 200 of them. Lancing is willing to pay only $2.580 per slab. Campbell estimates the cost of a typical job to include unit-level materials, $850; unit-level labor, $400; and an allocated portion of facility-level overhead. $1,390. Required Calculate the contribution to profit from the special order. Should Campbell accept or reject the special order to pour 54 slabs for $2,580 each