One Function of Warehouses or Distribution Centers Is "Consolidation

One function of warehouses or distribution centers is "consolidation." This means that the warehouse/distribution center is used to:

A) Group small inbound loads into larger outbound loads.
B) Collect products/packaging materials that are sent back for disassembly, reclamation, or disposal.
C) Hold inventory to buffer the system from variability in either in supply or demand.
D) Hold inventory needed because of seasonal requirements.