Answer: d) All of the above
Explanation: Decision making system is the system that helps in making the judgement about any particular matter.The process of decision making involves steps like identification of the objective, gathering data, knowing about the possible consequence of the decision, implementation and evaluation of the decision.
It helps in forecasting about the future judgement that we can make and its consequences, works in quick manner, and manage the information of the business organization.Thus all the mentioned point are correct. Thus, the correct option is option(d).