Total demand for a transportation model is 15 while total supply is 20. Which of the following should be included?
A) a dummy source of 20 units
B) a dummy destination of 5 units
C) a dummy source of 5 units
D) a dummy destination of 20 units
E) none of the above

Question

Quizplus · Accepted Answer

Since total demand > total supply, we need to add a dummy destination with the difference between the two (15-20 = 5 units) to balance the model. Therefore, option B is the correct answer. All other options are not necessary for balancing the model in this case.

Total Demand for a Transportation Model Is 15 While Total