Answer:
The correct answer is A
Step-by-step explanation:
Direct cost is the cost or an expense which is directly tied to the production of the particular goods and services. It is usually variable costs, which means that the cost will fluctuate with the levels of the production like inventory.
Examples of direct costs are manufacturing supplies, direct labor, commissions, direct materials and piece rate wages.
So, the example of the direct costs for the service offered through accounting firm is the labor of the staff accountant who make the returns.