When Using MRP and Kanban Together

Multiple Choice

When using MRP and kanban together:

A) the control capabilities of MRP are used instead of those from kanban.
B) the planning capabilities of kanban are used instead of those from MRP.
C) the demand rate should be variable in order to derive the greatest benefit from the MRP portion of the system.
D) the number of kanbans is recalculated from the MRP system's order changes throughout the horizon.