The correct answer is: B. Usefulness
Utility is the usefulness or satisfaction that an individual derives from a good or service. It is a measure of how much a person values a good or service.
Benefit is a general term that can refer to any type of advantage or gain. It can be used to describe the positive effects of something, such as a new policy or a medical treatment.
Profitability is the ability to generate a profit. It is a measure of how successful a business is at generating revenue and controlling costs.
Advantage is a position of superiority or benefit. It can be used to describe a person or thing that is better than others in some way.
In the context of the question, utility is the most appropriate answer because it is the most specific. The other options are more general and could refer to a variety of things.