वह प्रक्रिया जिसके द्वारा कोई पुस्तकालय पुनर्संसाधन या छंटनी के लिए अपने 'सक्रिय' संग्रह की पहचान कर सकता है, निम्नलिखित में से किस पर आधारित है?

Given below are two statements, one labeled as Assertion (A) and the other as Reason (R): Assertion (A): A library needs to generate a satisfied customer base that supports library programs. Reason (R): If a library's resources and services meet customer expectations, repeat use cannot be ensured. In light of the above statements, choose the correct option:

Given below are two statements, one labeled as Assertion (A) and the other as Reason (R): Assertion (A): Performance measurement is useful for decision-making in libraries and information centers. Reason (R): The right decision at the right time helps libraries and information centers achieve their goals. Choose the correct code: