Production Management Meta; is reviewing the way it submits bids on U.S. Army contracts. The army often requests open-top boxes, with square bases and of specified volumes. The array also specifies the materials for the boxes, and the base is usually made of a difference material than the side. The box is assembled by riveting a bracket at each of the right .For Metal Containers, the total cost of producing a box is the sum of the cost of the materials for the box and the labor costs associated with affixing each bracket