4. Which of the following is nor a characteristic of a process costing system! a.A specifie time period is used b. Several Work in Process Inventory accounts are used c.P Product costs are grouped by processes, departments. or work cellS orelsuitable when customized products nutad 8. In a process costing system, some of the inereases to Departmgnt Cs Work in Process Ihventory nccount would come from Department B's aFinished Goods Inventory account Materials Inventory account. C.Coof Goods Sold account d.Work in Process Inventory account uivalent production is also called onversion co b.completed work cell units c.e equivalent units uivalent transt