GSCM Simulation question

1.How should we decide on which option(s) to include (what information should we used and how should they be used in making the decision)? Why?

2.How should we decide on the initial production level for each model (what information should we used and how should they be used in making the decision)? Why?

3.How should we decide on which suppliers to use and the amount allocated to each (what information should we used and how should they be used in making the decision)? Why?

4.How should we decide whether to issue production change order (what information should we used and how should they be used in making the decision)? Why?