1. In a re-order point inventory system, the times at which orders are placed are
A) Known ahead of time
B) unpredictable, based on demand pattern
C) based on the convenience of the manager
D) based on the supplier's schedule
2. An assumption of the EOQ model is that
A) the demand is random and unpredictable
B) lead time is random
C) demand is uniform and known
D) lead time is Normally distributed