Medical instrumentation labs produces a "diagnostic emergency pac" in lots of 120 units. the production lead time is three weeks, and the firm carries a safety stock of 30 units. Demand is forecast at 40 units per week. The firm currently has an end of period inventory on hand of 90 units, and a scheduled reciept of 120 units is due in week.
a) compute the order point
b) depict the use requirements in a time phased order point format for a 10 week period
c) during what weeks do the order points occur
d) evaluate this plan for cost effectiveness