A job shop has $$6$$ orders to be completed by a single turning center. The processing times and due dates are as follows:

Assume that all orders are ready for processing. Give a production schedule that minimizes the average flow time. Compare this schedule with one that minimizes tardiness (lateness).

Which one of the following forecasting techniques is not suited for making forecasts for planning production schedules in the short range?

In inventory planning, extra inventory is unnecessarily carried to the end of the planning period when using one of the following lot size decision policies:

One of the following statements about $$PRS$$ (Periodic Reordering System) is not true. Identify.