Oluwalambe Ltd: raw materials ₦80,000 opening, ₦450,000 purchases, ₦95,000 closing; cost of raw materials consumed?

JAMB Accounting 2024 Medium 296 views
Verified explanation Source: JAMB · 2024 Reviewed 2026
Stock of raw materials 1- 1- 2007 80000
Purchases of raw materials 450000
Stock of raw materials 31- 12- 2007 95000
Direct wages 65000
Indirect wages 28000
Depreciation on plants 32000
Factory rent 3500
Work in progress 1- 1- 2007 32500
Work in progress 31 – 12- 2007 37500

Cost of raw materials consumed is

  1. ₦425,000
  2. ₦435,000 ✓
  3. ₦450,000
  4. ₦499,500
ExplanationVerified

The cost of raw materials consumed shows how much raw material was actually used in production during the year. This is different from raw materials purchased because some materials from the previous year were used, and some purchased materials remained unused.

The formula is: Raw Materials Consumed = Opening Stock of Raw Materials + Purchases – Closing Stock of Raw Materials.

From the data: Opening Stock (1 Jan 2007) = ₦80,000. Purchases = ₦450,000. Closing Stock (31 Dec 2007) = ₦95,000.

Calculation: ₦80,000 + ₦450,000 – ₦95,000 = ₦435,000. This means the factory used ₦435,000 worth of raw materials during 2007. The remaining items (wages, depreciation, rent, work in progress) are not included in this calculation as they relate to other cost categories.

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