What do you have to do to make this happen?

You are asked to set the system in such a way that it can automatically search for available quotations for customers when sales order items are entered.

What do you have to do to make this happen?
A . Set the quotation messages function in the quotation sales document type.
B . Set the completion rule in the item category for the quotation.
C . Set the quotation messages function in the sales order document type.
D . List the reference document number field in the incompleteness procedure for the sales order item category.

Answer: C