What is the definition of an opening horizon?

What is the definition of an opening horizon?
A . The time available for the MRP run to convert a requirement into a schedule line or a planned order
B . The time available for the MRP run to convert requirements into purchase requisitions or planned orders
C . The time available for the MRP controller to convert a purchase requisition into a purchase order or a schedule line
D . The time available for the MRP controller to convert a planned order into a purchase requisition or a production order

View Answer

Answer: D