What are features of Business Rules? Note: There are 3 correct answers to this question.

What are features of Business Rules? Note: There are 3 correct answers to this question.
A . They are system-centric.
B. They are common definitions and operations.
C. They are reusable and easy to maintain.
D. They are people-centric.
E. They are required for manual decisions.

Answer: A,C,E