A$)$ Work centers feeding a CCR should work at full capacity.

B$)$ The capacity of the bottleneck, CCR $($capacity constraint resource$)$ depends upon the capacity of the system.

C$)$ A time buffer should be established after a CCR$,$ and work centers feeding a CCR should work at full capacity.

D$)$ A time buffer should be established after a CCR$.$

E$)$ A bottleneck $($capacity constraint resource$)$ will control the throughput of all products processed by it$,$ and a time buffer should be established before a CCR$.$