A Campaign Manager for a Political Candidate Must Arrange the Shipment

Multiple Choice

A campaign manager for a political candidate must arrange the shipment of 150 cartons of campaign buttons from three button producers to three campaign headquarters. The supplies and demands, and the per-carton transportation costs, are shown below: Which of the following is a constraint for the customer (campaign headquarters) ?

A) 2X₁₁ + 9X₂₁ + X₃₁ = 20
B) 5X₁₂ + 3X₂₂ + 8X₃₂ = 70
C) X₁₁ + X₁₂ + X₁₃ = 50
D) X₁₂ + X₂₂ + X₃₂ = 70
E) all of the choices