The Constraints in a Transportation Model Stipulate That

Multiple Choice

The constraints in a transportation model stipulate that:

A) The sum of units from all sources delivered to a destination is greater than or equal to the demand of the destination.
B) The sum of units to all destinations originated from a source is less than or equal to the available units in that source.
C) The sum of units delivered from a given source to a given destination is non-negative.
D) All of the above.