• Suppose your factory production line has two stations linked in series.
• Every raw material coming into your line is processed by Station A first. Then, the product goes to Station B for finishing.
• Suppose raw material is coming into your line at 15 units per minute. Station A can process 25 units per minute and Station B can process 20 units per minute Questions:

1. What is the throughput of the entire system?

2. If we double the arrival rate of raw material from 15 to 30 units per minute, what is the throughput of the whole system?

3. Suppose that your factory adds a few more stations after Station A and Station B. You see that, on average, there are 1000 units in the factory (either waiting to be processed at one of the stations or being processed by a station). What is the average time that a unit spends in the factory?