निम्नलिखित में से कौन सा पुस्तकालय व्यय का एक मान्यता प्राप्त सिद्धांत नहीं 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: