1. Which of the following actions will help you become a valuable wiki contributor?
A. Insert comments and questions in the main content.
B. Post as much information as possible to appear well informed.
C. Ignore criticism so that you do not have to respond.
D. Take advantage of the sandbox.
E. Seek individual recognition and control.
2. If a transshipment model has four supplier nodes, two transshipment nodes and six demand nodes with one of the suppliers being able to ship directly to one of the demand nodes, the linear programming model will have?
1) 21 decision variables and 12 constraints
2) 20 decision variables and 12 constraints
3) 20 decision variables and 10 constraints