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WorksheetsChapter 2: Inventory management
Total questions: 46
Worksheet time: 33mins
The Economic Order Quantity (EOQ) is calculated as:
(C0*D/2h)^1/2
(2C0*D/Ch)^1/2
(2C0/(D*C_h))^1/2
All of the above
______ An inventory management system in which replenishment stock is ordered when the stock reaches a reorder point and the replenishment quantity is kept fixed.
A. Fixed order interval
B. Fixed order quantity
C. ABC analysis
D. Customer service
What does inventory include?
Company's raw materials
Work in process
Supplies used in operations
All of them
A hybrid inventory system in which the inventory analyst reviews the inventory position at fixed time periods.
A. Fixed order interval
B. Fixed order quantity
C. EOQ
D. Stockout
What do inventory costs generally fall into?
Sales expenditures
Work in process
Line during the annual physical inventory
Ordering costs and holding costs
______ is the inventory between the Purchasing and Production.
A. Work in process
B. Raw material
C. Dead inventory
D. Stockout
What do ordering costs include?
Shipping fees
Unexpected transportation costs
Inspection fees
All of them
What is the purpose of inventory?
To manage fluctuations in demand and compensate for supply chain uncertainties.
To increase product prices and drive more sales.
To store excess materials that are not required for production.
To prevent stockouts by making sure no items are ever out of stock.
______ is the ratio of cost of goods sold over average inventory cost.
A. Reorder point
B. Inventory turnover
C. Fixed order quantity
D. Dead inventory
______ is the provision of service to customers before, during and after a purchase.
A. EOQ
B. Stockout
C. Purchasing
D. Customer service
A fixed order quantity system is more susceptible to stockouts than a fixed order interval system.
True
False
Does anticipation stock refer to inventory that is held in advance of anticipated demand, usually to meet seasonal or promotional needs?
True
False
The order cycle is also called the replenishment cycle.
True
False
time between receiving a customer order and delivering the items
Stockouts are permitted as an assumption associated with the basic EOQ model.
True
False
The overall objective of inventory management is to achieve satisfactory levels of customer service while keeping inventory costs reasonable.
TRUE
FALSE
The optimal ordering quantity in the EOQ model occurs at the point where the sum of carrying costs and ordering costs are minimized.
TRUE
FALSE
Inventories affect both the balance sheet and the income statement.
True
False
Under economic-order quantity decision model, it is assumed that _____.
the quantity ordered can vary at each reorder point
demand, operating costs, and carrying costs are uncertain
the purchasing cost per unit is affected by the order quantity
no inventory stockouts occur
Safety stock:
Goods kept in store to cover seasonal demand e.g., Summer Sale
Goods kept in store to cover unforeseen shortages or fluctuation in demand
The maximum order level should not exceed the safety stock.
TRUE
FALSE
Stockouts is synonymous with surplus.
TRUE
FALSE
More order size or quantities entails more ordering costs.
TRUE
FALSE
SMO Bookstore is trying to determine the optimal order quantity for a popular book. The store feels that the book will sell approximately 17, 000 copies in a year. The carrying cost per copy is RM2 and it costs RM60 to order more books. Determine the optimal EOQ level.
1010 units
3144 units
2010 units
3104
Kinokuniya Bookstore will sell approximately 17, 000 copies of books in a year. The company maintains 2,200 units as the desired safety stock and it normally take 20 days to receive the order made. If the EOQ of the bookstore is 1010 units, calculate the reorder point. Assume 360 days in one year.
3144 units
6420 units
5410 units
2020 units
Acson Electronics purchases 150, 000 units of one component of its air conditioner per year. The selling price of the cooler fan is RM1500 per unit. The company analyzed its inventory costs and has found that the component has an order cost of RM300 per order and carrying cost is 10% of its selling price. Determine the optimal EOQ level.
10,417 units
775 units
839 units
1700 units
Calculate the inventory cost of a firm if its usage is 150,000 units, EOQ is 775 units, ordering cost is RM300, selling price is RM1500 and carrying cost is 10% of its selling price.
RM 58,064.52
RM 58,125
RM 116,189.52
RM 16,420
Which of the followings is NOT the types of inventories?
Raw material
Work-in-progress
Finished goods
In-transit service
Which of the following are the common techniques of managing inventories? You may answer more than one.
ABC method
EOQ Model
Rapid inventory model
Just-In-Time System
The order cost per order of an inventory is Rs. 400 with an annual carrying cost of Rs. 10 per unit. The Economic Order Quantity (EOQ) for an annual demand of 2000 units is
400
500
440
480
A certain type of computer costs $1,000, and the annual holding cost is 25% value of the computer. Annual demand is 10,000 units, and the order cost is $150 per order. What is the approximate economic order quantity?
70
110
250
1200
Which of the following combinations best represents how inventory levels are typically controlled in an ABC system?
A-items: Large buffer stock, B-items: Minimal buffer stock, C-items: Safety stock only
A-items: Frequent review, B-items: Periodic review, C-items: Annual review
A-items: Lenient monitoring, B-items: Moderate control, C-items: Rigorous control
A-items: Bulk orders, B-items: JIT ordering, C-items: Overstocking
A retailer has four items in its inventory:
Item P: Annual demand = 2,000 units, Unit price = $15.
Item Q: Annual demand = 5,000 units, Unit price = $10.
Item R: Annual demand = 1,000 units, Unit price = $50.
Item S: Annual demand = 10,000 units, Unit price = $2.
Classify items based on the Pareto principle: which items are under A?
A. P, S
B. Q, R
C. Q, P
D. R, S
What is the main criterion used in ABC analysis to classify inventory items?
Annual demand in units
Unit price
Annual monetary value
Inventory holding cost
In ABC analysis, what percentage of total inventory value is typically attributed to A-class items?
10-20%
50-70%
70-80%
80-90%
A company has the following inventory data:
X (D, unit price): 1,500; 20
Y: 3,000; 15
Z: 500; 50
W: 2,000; 10
V: 4,000; 5
Based on the cumulative percentage of total value, which items would typically fall into A-Class?
Items X and Y
Items Y and Z
Items X, Y, and Z
Items X, Y, and W
Which of the following is NOT a reason for holding inventory?
To balance supply and demand fluctuations
To take advantage of bulk purchasing discounts
To eliminate the need for storage facilities
To act as a buffer against uncertainties
“Carrying” inventory includes production control costs and purchase costs.
True
False
Increasing the price and intentionally selling it as new items are suggestions for dealing with dead stock (inventory).
True
False
Production and use can occur simultaneously is not an assumption of the EOQ model.
True
False
A product for which there are no sales during a twelve-month period is called:
A. Stockout
B. Dead inventory ✅
C. Raw material
D. Work in process
Which concept classifies inventory based on value importance?
A. Purchasing
B. Customer service
C. ABC analysis ✅
D. Stockout
Average demand × replenishment cycle is:
A. EOQ
B. Inventory turnover
C. ROP ✅
D. Fixed interval
