What is "Cycle Time" in a manufacturing context, and how is it typically used to improve operational efficiency?

a$)$ Cycle Time is the total time required to complete a production run. It is used to determine the number of production batches needed.

b$)$ Cycle Time is the time taken to produce one unit from start to finish. It is used to identify bottlenecks and optimize process flow for increased efficiency.

c$)$ Cycle Time refers to the time required to complete a quality inspection. It is used to schedule regular quality control checks.

d$)$ Cycle Time measures the total time from order placement to delivery. It is used to manage customer expectations and shipping schedules.