Final answer:
The typical threshold for conflict of interest disclosure is 5% or more of ownership, but option B) 20% is a common benchmark. It is important to check specific organizational policies or legal regulations for the precise threshold.
Step-by-step explanation:
The minimum percentage of ownership in a related service that requires a conflict of interest disclosure is typically set by the specific policies of an organization or as per legal regulation. However, in many cases and as per the general standards applied in corporate governance, an ownership interest of 5% or more in a related entity is often significant enough to warrant a conflict of interest disclosure.
But since this can vary from one jurisdiction to another or based on the company's internal policies, it is important for individuals to check the specific rules applicable to them. If we must select an answer from the provided options, option B) 20% is commonly used as a benchmark for required disclosure in many settings, but this is not a universal standard and the correct threshold could be more or less than this depending on the situation.