Material Accounting
Material refers to any commodity or substance processed in a factory for conversion into a finished product. In cost accounting, material is classified as part of inventory. The terms “material” and “raw material” are often used interchangeably.
Examples of Material
- Raw Material – The fundamental material supplied in its crude form for production.
- Components – Finished parts made from raw materials, assembled to create final products.
- Tools – Appliances used in manufacturing operations.
- Spare Parts – Used for the maintenance of plants, machinery, etc.
- Consumable Stores – Items necessary for the smooth functioning of machinery, such as lubricants, oil, cotton waste, and rags.
Material Cost
Material cost refers to the expense incurred for materials used as the primary input in the production process. This cost is categorized into direct material cost and indirect material cost:
- Direct Material Cost: Essential raw materials or components that are directly incorporated into the final product. Examples include wood for furniture, fabric for clothing, and ingredients like flour, eggs, and sugar for baking.
- Indirect Material Cost: Materials with insignificant monetary value, such as nails in furniture, thread in garment stitching, lubricant oil, grease, and other consumables.
Accounting for Plant and Machinery
Plant and machinery include assets such as computers, office furniture, tools, and industrial machinery.
Depreciation Methods
Depreciation refers to the allocation of an asset’s cost over time due to wear and tear, aging, or obsolescence. The three primary depreciation methods are:
- Straight-Line Method (SLM)
- Depreciation is calculated by dividing the depreciable amount of an asset by its estimated useful life.
- Advantages: Simple to calculate, ensures consistent expense recognition, and aids in financial planning.
- Disadvantages: Does not accurately reflect actual asset value depreciation, as asset value may decline unevenly.
- Written Down Value (WDV) Method
- Depreciation is applied at a fixed rate to the asset’s residual value each year.
- Also known as the Reducing Balance Method.
- Suitable for assets that depreciate more rapidly in the initial years.
- Sum-of-the-Years’ Digits (SYD) Method
- An accelerated depreciation method that allocates higher depreciation in the earlier years of an asset’s life.
- Depreciation is determined by dividing the remaining useful life by the sum of the years’ digits and multiplying it by the depreciable amount.
Example Calculation (SYD Method)
Consider an asset with an original cost of Rs.15,000 and a useful life of three years.
- The sum of years’ digits = 3+2+1 = 6
- First-year depreciation: (3/6) × 15,000 = Rs. 7,500
- Second-year depreciation: (2/6) × 15,000 = Rs. 5,000
- Third-year depreciation: (1/6) × 15,000 = Rs. 2,500
At the end of the third year, the accumulated depreciation equals the original cost, reducing the asset’s book value to zero.
Contract Accounting
A contract account is used to track financial transactions, including revenue and expenses, for budgeting and reporting purposes.
Accounting Treatment for Plant and Machinery in Contracts
- Debit: The contract account is debited with the plant’s cost (including installation costs).
- Credit: At the end of the accounting period, or when the plant is no longer required, the contract account is credited with its depreciated value (WDV).
Depreciation and Sale Treatment
- The difference between the initial cost debited and the WDV credited represents the depreciation charge.
- If the plant is sold, the contract account is credited with the sale proceeds.
Other Costs in Contract Accounting
- Maintenance, insurance, fuel, and oil expenses related to the plant are debited to the contract account.
- Hired Plant: When a plant is hired for a contract, the hire charge is recorded as a direct expense in the contract account.
This formalized structure ensures clarity while maintaining a professional tone suitable for a banking or financial blog.
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