n a continuous review Inventory system (Q.R), the Z score associated with the required service level is 1.8 standard deviations above he mean The production planner needs to set the safety stock level to protect against both variances in lead time and daily demand. The average lead time is 18 days. The annual demand is 2956 units. There are 250 working days per year. The standard deviation of daily demand is 295.0 The standard deviation of the lead time is 3.0 What is the appropriate safety stock level in units?