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ACCA Applied Skills · Performance Management · Throughput accounting

Which statement about a non-bottleneck resource in a throughput accounting system is correct?

Extra output from a non-bottleneck resource beyond the bottleneck's rate just builds work-in-progress inventory and does not raise system throughput, because overall output is limited by the bottleneck.

  1. AIt should be run at full utilisation to minimise unit cost
  2. BAdditional output from it beyond the bottleneck's rate only builds inventory and does not increase throughputCorrect
  3. CImproving its efficiency always raises throughput for the whole system
  4. DIt should be the first resource to receive extra capacity investment

Explanation

Throughput of the system is limited by the bottleneck. Running a non-bottleneck faster than the bottleneck can process simply creates work in progress. Improving it does not raise system throughput unless it becomes the constraint.

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