Barbara Bright is the purchasing agent for West
Valve Company. West Valve sells industrial valves
and fluid control devices. One of the most popular
valves is the Western, which has an annual demand
of 4,000 units. The cost of each valve is $90, and the
inventory carrying cost is estimated to be 10% of
the cost of each valve. Barbara has made a study of
the costs involved in placing an order for any of the
valves that West Valve stocks, and she has concluded
that the average ordering cost is $25 per order.
Furthermore, it takes about two weeks for an
order to arrive from the supplier, and during this
time the demand per week for West valves is approximately
80.
(a) What is the EOQ?
(b) What is the ROP?
(c) What is the average inventory? What is the
annual holding cost?
(d) How many orders per year would be placed?
What is the annual ordering cost?