Difficulty: Medium

Average Score: 63%

Which costs are considered prime costs?

Rationale

Direct materials and direct labor are considered prime costs.

Prime costs are the direct expenses incurred in the manufacturing of products, specifically including direct materials and direct labor. These costs are essential for calculating the total cost of goods sold and assessing the profitability of production.

A (Direct materials and direct labor) CORRECT

This option accurately identifies prime costs, as direct materials refer to the raw materials directly traceable to the product, while direct labor encompasses the wages of workers who are directly involved in manufacturing. Both are critical for determining the cost of production.

B (Direct labor and indirect labor) YOUR ANSWER

While direct labor is a prime cost, indirect labor is not. Indirect labor represents costs associated with employees who support the production process but do not directly create the product, such as supervisors and maintenance staff. Therefore, this combination does not represent prime costs.

C (Indirect materials and indirect labor) YOUR ANSWER

Neither indirect materials nor indirect labor are considered prime costs. Indirect materials are supplies used in the production process but not directly traceable to a specific product, while indirect labor costs refer to workers who support production without directly contributing to the product. Both are classified as overhead costs.

D (Direct materials and indirect materials) YOUR ANSWER

This option includes direct materials, which are a prime cost, but pairs it with indirect materials, which are not. Indirect materials are part of manufacturing overhead and do not directly contribute to the product, thus failing to represent the totality of prime costs.

Conclusion

Prime costs are essential for accurately assessing production expenses, comprising only direct materials and direct labor. Understanding the distinction between prime costs and other cost categories like overhead is crucial for effective financial management in manufacturing. By focusing on these direct costs, businesses can better analyze their production efficiency and profitability.

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