If the Total Supply from the Sources Does Not Equal

Multiple Choice

If the total supply from the sources does not equal the total demand from the destinations in the transportation problem

A) and if supply is greater than demand, add a dummy source or factory.
B) the amount put in a dummy source or destination should make supply and demand equal.
C) and if demand is greater than supply, add a dummy destination or warehouse.
D) the amount put in a dummy source or destination can be considered a slack variable.