In Formulating a Transportation Problem as Linear Programming Model,which of the Following

Multiple Choice

In formulating a transportation problem as linear programming model,which of the following statements are correct?

A) There is one constraint for each supply location
B) There is one constraint for each demand location
C) The sum of decision variables out of a supply location is constrained by the supply at that location
D) The sum of decision variables out of all supply locations to a specific demand location is constrained by the demand at that location
E) All of these options