Consider the following sequential operating system. In each activity, each worker

oversees one unit of the product. The resources and processing times for each activity

are given below:

a$.$ Which resource is the bottleneck? What's the capacity of the process?

b$.$ Suppose the process operates at its full capacity. What's the average work$-$in$-$process

inventory level?

An equipment rental company on average receives $30$ equipment rental requests per

week. Each equipment on average is rented for $3$ weeks. The rental fee is $$1,000$ per

equipment per week. What is the average revenue per week of the operation?

Kristen runs a small business with her roommate. Below is the process flow chart of

Kristen's Cookie daily operations, together with resources $($that are needed for each

activity$)$ and processing time for.each activity. For the ease of analysis, we assume

that there are infinite cookie trays and infinite empty space for cooling.