Final answer:
Without additional context or specific jurisdiction, it's impossible to determine the correct fee for an oath or affirmation from the options given. One should refer to state or local statutes for accurate fees.
Step-by-step explanation:
The fee for an oath or affirmation seems to be part of a schedule of costs associated with legal or governmental services. The options provided (A. $2, B. $4, C. $5, D. $10) do not directly align with the figures listed in the provided information, which range from campaign contribution limits to total sums of transactions and budgets in various contexts. Without additional context—such as the specific state law, local regulation, or the entity prescribing these fees—it is impossible to determine the correct answer. Therefore, it is advisable to check the appropriate state or local statutes, or to ask for further clarification with respect to the setting or jurisdiction in question.