1. Why did Jonah recommend that people at the bottleneck resources sometimes sit idle waiting for work to do? How will that affect productivity and efficiency? How will it impact the plant’s operating costs? How will it impact its throughput? Explain your answers.

2. Even after increasing the output of the bottleneck resources, work-in-process inventory continued to build-up at various points in Alex’s plant. What explanation did his managers have for the build-up? What was Jonah's explanation for it? Explain your answers.

3. Jonah talked about how the plant’s performance is being impacted by how resources are being managed. What is his definition of "utilizing" a resource? What is his definition of "activating" one? What impact does each have on throughput? Explain your answers.