Difficulty: Hard

Average Score: 33%

Which costs are considered prime costs?

Rationale

Direct materials and direct labor are considered prime costs.

Prime costs specifically encompass direct materials and direct labor, which are the primary expenses directly tied to manufacturing a product. These costs are essential for calculating the total cost of production, as they directly contribute to the creation of finished goods.

A (Direct labor and indirect labor) YOUR ANSWER

Direct labor refers to the labor costs that can be directly attributed to the production of goods, while indirect labor includes costs that cannot be directly linked to specific products, such as salaries of supervisors. Since prime costs focus solely on direct expenses related to production, this option incorrectly includes indirect labor.

B (Indirect materials and indirect labor) YOUR ANSWER

Indirect materials are supplies used in the production process but cannot be traced directly to a specific product, and indirect labor refers to labor costs not directly associated with product manufacturing. Neither of these falls under prime costs, which only accounts for direct costs.

C (Direct materials and direct labor) CORRECT

This choice accurately identifies prime costs, as direct materials are those that can be directly traced to the production of goods, and direct labor costs are incurred by workers who are directly involved in manufacturing. These two components are the fundamental costs necessary for producing products.

D (Direct materials and indirect materials) YOUR ANSWER

While direct materials are indeed a component of prime costs, indirect materials are not. Indirect materials are supplies that cannot be directly traced to individual products and thus do not qualify as prime costs. This option mixes a valid component with one that does not fit the prime cost definition.

Conclusion

Prime costs are essential for understanding a company's direct production expenses, consisting solely of direct materials and direct labor. Choices A, B, and D include indirect costs that do not contribute directly to product manufacturing, while option C correctly identifies the two components that define prime costs. Understanding these distinctions is crucial for accurate cost accounting and financial analysis in manufacturing.

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