What action is needed to configure This requirement?

You have set up advanced availability-to-promise (ATP) in a company with three item groups. The first item group does NOT need an automatic ATP check. The second item group requires an ATP check and CANNOT be split into multiple deliveries. The third item group requires an ATP check but can have multiple deliveries.

What action is needed to configure This requirement?
A . Set the appropriate order multiple and order interval in each item group
B . Use a different row type in the sales order for each Item group
C . Create a checking rule to assign to each item group

Answer: C