Considering the example of issue/return of a book, cataloging etc. in a library management.What type of management requirement is being depicted here ?

Considering the example of issue/return of a book, cataloging etc. in a library management.What type of management requirement is being depicted here ?

A. Enduring
B. Volatile
C. Both Enduring & Volatile
D. All of the mentioned

Explanation: For library management system issue/return of a book, cataloging etc. are core activities and are stable for any system.