Formulation of the Problem: Before proceeding to find the solution of a problem, first of all a manager should be competent enough to form an appropriate model. To do so followings information are needed:
a. Decision Maker
b. Objectives
c. Controllable Variables
d. How do uncontrollable variables affect the possible solution?
e. Constraints or restrictions on the variable
f. Alternative course of action
g. Measurements of effectiveness