Theoretically, service capacity must exceed demand, lest queues

Theoretically, service capacity must exceed demand, lest queues become infinitely long. If capacity does not exceed demand, what is likely to happen?
A.   All of these B.   Servers will eliminate time-consuming portions of their jobs, thereby increasing capacity.
C.   Customers will renege or balk, thereby reducing demand. D.   Servers will decrease time spent per customer, thereby increasing capacity.

 

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