Jim was recently promoted to the position of dining room supervisor at The Crab Shack, and he is now responsible for making decisions on numerous matters in the dining room and giving orders to the serving staff. At the same time, Jim has the obligation to perform the many new tasks assigned to him as a supervisor, such as overseeing the closing work and the cleaning of the dining room. Jim's obligations are known as his_

responsibility                        

Explanation:

Responsibility: The term "responsibility" is described as a tendency of an individual to be dependable, honor commitment he or she made, and keep promises. It requires accepting various consequences related to what he or she says or does. An individual who finds himself or herself as responsible often develops necessary potentials and doesn't make any excuse related to specific actions or doesn't blame any other person if anything goes wrong.

In the question above, the given statement represents responsibility.