1️⃣ 0–5 min: Introduce the concept of depreciation and link it to asset usage.
2️⃣ 5–15 min: Explain the meaning and need to study causes of depreciation.
3️⃣ 15–30 min: Discuss each cause with examples and visual aids.
4️⃣ 30–40 min: Group activity – identify real-life examples of depreciation causes.
5️⃣ 40–45 min: Recap key points and review 5 important questions.
the various causes of depreciation, which refer to the reduction in the value of an asset over time due to factors such as usage, wear and tear, and obsolescence. Understanding these causes is crucial for accurate financial reporting and asset management.
Internal Causes of Depreciation
Wear and Tear: This is the most common cause of depreciation. Assets like machinery, vehicles, and equipment experience physical deterioration over time due to regular use, friction, and environmental factors. For instance, a vehicle's engine components may wear out, reducing its efficiency and value.
Depletion: This applies to natural resources such as mines, oil wells, and forests. As these resources are extracted or harvested, their value diminishes. For example, extracting oil from a well reduces the amount of available resource, leading to depletion.
Obsolescence: Technological advancements can render existing assets outdated. For example, the introduction of more efficient machinery can make older models less desirable, leading to a decrease in their value.
Passage of Time: Some assets lose value simply due to the passage of time, even if they are not in use. For example, a patent or copyright may lose value as it approaches expiration.
Accidents: Unexpected events such as fires, floods, or accidents can cause sudden and significant damage to assets, leading to immediate depreciation. For instance, a factory fire can destroy machinery, resulting in a total loss of value.
External Causes of Depreciation
Economic Factors: Changes in market conditions, inflation, or economic downturns can reduce the demand for certain assets, leading to a decrease in their value. For example, during a recession, the demand for luxury vehicles may decline, causing their market value to drop.
Legal and Regulatory Changes: New laws or regulations can impact the value of assets. For instance, stricter environmental regulations may render certain machinery non-compliant, reducing its value.
Environmental Factors: Exposure to harsh weather conditions, humidity, or other environmental factors can accelerate the deterioration of assets. For example, buildings in coastal areas may experience faster wear due to saltwater exposure.
Summary
Understanding the causes of depreciation is essential for businesses to manage their assets effectively, plan for replacements, and ensure accurate financial reporting. By recognizing these factors, companies can implement strategies to mitigate depreciation and extend the useful life of their assets.
Accounting for Business (3rd ed) — A textbook focused on how accounting supports business decision-making and is suitable for non-specialist managers and business students. Goodreads
Accounting for Business Studies by Aneirin Owen — Integrates accounting with business & management studies, emphasising the commercial context. Routledge
Business Accounting (v.2.0) (free online text) — Covers many fundamental accounting topics; good for self-study. 2012 Books
Accounting, The Language of Business by JoAnn Wood — Openly-licensed, explains accounting as a communication tool in business. Boise State Pressbooks
Open Textbook Library: “Accounting Principles: A Business Perspective” and others — free downloadable textbooks covering core accounting topics. Open Educational Resources
Guides listing recommended books for accounting and business: e.g., “Business Recommended Reading by Subject: Accounting”. BYU Library Guides+1
Articles on accounting fundamentals: e.g., “What Is Accounting? | Introduction to Business” explains accounting as the language of business.
Define depreciation and explain why it is charged.
List and explain any four major causes of depreciation.
How does obsolescence differ from wear and tear?
What is the meaning of depletion, and how is it recorded in accounts?
Why is it necessary to identify the causes of depreciation before selecting a method?