Under a weighted average costing system, after computing the costs per equivalent unit, a company's next step: is to verify that all costs to be accounted for have been accounted for is to determine the number of units completed and transferred out during the period o is to prepare a cost reconciliation report O is to assign costs to units Under a weighted average costing system, after computing the costs per equivalent unit, a company's next step: is to verify that all costs to be accounted for have been accounted for is to determine the number of units completed and transferred out during the period o is to prepare a cost reconciliation report O is to assign costs to units