1. Sources of MRP gross requirements can include:
a) multiple products.
b) items sold directly.
c) spare parts.
d) All of the above
e) None of the above
2. Safety stock is used to protect against variability in:
a) bills of material.
b) inventory records.
c) demand.
d) lead times.
e) All of the above
f) None of the above
3. Time units in a material requirements planning system are called:
a) increments.
b) cans.
c) modules.
d) troughs.
e) buckets.