The answer is option 4 more and increased.
Explanation:
Decisions today are becoming more complex, due to increased uncertainty in the decision environment.
Decision making is planning, organizing, directing and controlling the functions of a manager at achieving organizational goals.
It provides more information and alternatives, improves the quality of decisions and helps in strengthening the organization.
In the decision phase of the decision making process the managers construct a model that reduces the problem. The decision rights identify and define the framework for how they will be made through operating process and support tools.