How do you implement this business requirement?

Your sales representative wants to enter a discount that should only be entered manually in the pricing screen of a sales order.

How do you implement this business requirement? (Choose two)
A . Define a new condition type without an access sequence.
B . Define a new condition type and mark it as a group condition.
C . Assign an access sequence to the condition type.
D . Mark the condition type within the pricing procedure as a manual condition.

Answer: A,D