Which of the following is an example of a closed source project?

Decision support systems refer(s) to:

A. computer software systems that allow users to see how outcomes vary when assumptions or data are altered. B. the network of remote servers used to store reusable data. C. systems that incorporate the decision rules used by people who are considered to have expertise in a certain area. D. the set of topics on which a human resource information system collects and maintains information. E. online training and development materials which employees can access at their own convenience from anywhere around the world.

The last step of the decision-making process is to:

A) develop a model. B) evaluate each alternative. C) select the best alternative. D) implement the decision. E) check the decision with senior management.