Consider a stage doing batch processing with a required setup. If the batch size increases 4 times, how would the stage capacity be affected?

1. The stage capacity will likely not change.

2. The stage capacity will increase 2 times.

3. The stage capacity will increase 4 times.

Which of the following regarding bottleneck is CORRECT?

1. There could be more than one bottleneck in a process.

2. After the capacity expansion, there will be no bottleneck in the process.

3. Bottleneck utilization is higher than process utilization.

4. All of the above.