What activities are applied to the entire system and cannot be changed after confirmation in SAP Central Business Configuration? Note: There are 2 correct answers to this question.

What activities are applied to the entire system and cannot be changed after confirmation in SAP Central Business Configuration? Note: There are 2 correct answers to this question.
A . Scoping
B . Fiscal year variant
C . Configuration activities
D . Group currency

Answer: B ， D