In a system if, Accumulation = Input ‚Äö√Ñ√∂‚à ö√ë‚à ö¬® Output + Generation ‚Äö√Ñ√∂‚à ö√ë‚à ö¬® Consumption, where all the four terms are distinct and non-zero, then the system is which of the following?$

• A. Steady-state
• B. Closed
• C. Non-reactive
• D. None of the mentioned