BASIC OPERATIONAL AND COST CONCEPTS o understand a process costing system, it is necessary to understand the underlying operational system. An operational process system is characterized by a large number of homogeneous products pas through a series of where each process is responsible for one or operations that bring a product one step closer to completion. Thus a process is a series of process activities(operations) that are linked to perform a specific objecti Bienestar Company, a manufacturer of wide variety of over-the-counter medications and vitamins, uses process costing in all of its plants. For example, its Wichita plant produces an antihistamine and uses three processes: blending encapsulating, and bottling. The blending