Product Flow in Process Costing System


Product Flow in Process Costing System:

A product can flow through a factory in numerous ways. Three product flow formats associated with process costing – sequential, parallel, and selective – are illustrated here to indicate that basically the same costing procedures can be applied to all types of product flow situations.

Sequential Product Flow:

In a sequential product flow, each item manufactured goes through the same set of operation, as illustrated below.

 

Work in Process Blending Department

Materials
Labor
FOH*

Work in Process Testing Department


Labor
FOH*

Work in Process Terminal Department


Labor
FOH*

Finished Goods

*Factory Overhead

Materials are placed into production in the Blending Department, and labor and factory overhead are added. When the work is finished in the Blending Department, it moves to the Testing Department. The second process, and any succeeding processes, may add more materials or simply work on the partially completed input from the preceding departments, adding only labor and factory overhead, as in this example. After the product has been processed by the Terminal Department, it is a completed product and becomes a part of finished goods inventory.

Parallel Flow:

In a parallel product flow, certain portion of the work are done simultaneously and then brought together in a final process or processes for completion and transfer to finished goods inventory. As in the previous illustration, materials may be added in subsequent processes.

Selective Product Flow:

In a selective product flow, the product moves to different departments within the plant, depending upon the desired final product. For example, in meet processing, after the initial butchering process, some of the product goes directly to the Packaging Department and then to finished goods inventory; some goes to the Smoking Department and then to the Packaging Department and finally to finished goods inventory; Some goes to the grinding department, then to the packaging department and lastly to finished goods inventory. Transfer of costs from the Butchering Department involves joint cost allocation, discussed on By-Products and Joint Products Costing page.

You may also be interested in other useful articles from “process costing system” chapter:

  1. Definition and explanation of process costing system
  2. Characteristics  and Procedures of Process Costing System
  3. Costing By Departments
  4. Product Flow
  5. Procedure for Materials, Labor and Factory Overhead Costs in a Process Costing System
  6. Cost of Production Report (CPR)
  7. General Questions and Answers About Process Costing
  8. Exercises and Problems
  9. Process Costing System – Case Study

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