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Which item would be least likely to be ordered under a fixed-order-interval system?


A) textbooks at a college bookstore
B) auto parts at an assembly plant
C) cards at a gift shop
D) canned peas at a supermarket
E) magazines at a news stand

F) B) and D)
G) A) and C)

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Ann Chovies, owner of the Perfect Pasta Pizza Parlor, uses 20 pounds of pepperoni each day in preparing pizzas. Order costs for pepperoni are $10.00 per order, and carrying costs are 4 cents per pound per day. Lead time for each order is three days, and the pepperoni itself costs $3.00 per pound. If she were to order 80 pounds of pepperoni at a time, what would be theaverage total daily costs, including the cost of the pepperoni?


A) $60.00
B) $63.20
C) $64.00
D) $64.10
E) $65.00

F) B) and D)
G) A) and D)

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Lead time is exactly 20 days long. Daily demand is normally distributed with a mean of 10 gallons per day and a standard deviation of 2 gallons. What is the standard deviation of demand during lead time?


A) 20 times 2
B) 20 times 10
C) 2 times the square root of 20
D) 2 times the square root of 10
E) 400 times the square root of 10

F) A) and E)
G) A) and D)

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If average demand for an inventory item is 200 units per day, lead time is three days, and safety stock is 100 units, the reorder point is


A) 100 units.
B) 200 units.
C) 300 units.
D) 600 units.
E) 700 units.

F) A) and D)
G) B) and C)

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Which of the following can be calculated by dividing profit after taxes by total assets?


A) return on investment
B) return on equity
C) return on assets
D) return on sales
E) return on invested capital

F) A) and E)
G) D) and E)

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A cycle count program will usually require that Class A items be counted


A) daily.
B) once a week.
C) monthly.
D) quarterly.
E) more often than annually.

F) C) and E)
G) D) and E)

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The fixed-order-interval model would be most likely to be used for this situation


A) A company has switched from mass production to lean production.
B) Production is done in batches.
C) Spare parts are ordered when a new machine is purchased.
D) Grouping orders can save shipping costs.
E) Demand is highly variable

F) B) and C)
G) B) and D)

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In the fixed-order-interval model, the order size is the same for each order.

A) True
B) False

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In a single-period model, if shortage and excess costs are equal, then the optimum service level is


A) 0.
B) 0.33.
C) 0.50.
D) 0.67.
E) 0.75.

F) A) and B)
G) C) and E)

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Which of the following is least likely to be included in order costs?


A) processing vendor invoices for payment
B) processing purchase orders
C) inspecting incoming goods for quantity
D) taking an inventory to determine how much is needed
E) temporary storage of delivered goods

F) A) and B)
G) D) and E)

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The Operations Manager for Shadyside Savings & Loan orders cash from her home office for her very popular "BIG BUCKS" automated teller machine, which only dispenses $100 bills. She estimates that this machine dispenses an average of 12,500 bills per month, and that carrying a bill in inventory costs 10 percent of its value annually. She knows that each order for these bills costs $300 for clerical and armored car delivery costs, and that order lead time is six days. Assuming a 30-day month, at what point should bills be reordered?


A) 0 bills remaining
B) 417 bills remaining
C) 2,500 bills remaining
D) 10,000 bills remaining
E) 12,500 bills remaining

F) B) and C)
G) C) and D)

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Decoupling operations means to break the linkage between two sequential operations.

A) True
B) False

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The single-period model can be very helpful in determining when to order.

A) True
B) False

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In the A-B-C classification system, items which account for about 15 percent of the annual dollar value, but which account for a majority of the inventory items, would be classified as


A) A items.
B) B items.
C) C items.
D) A items plus B items.
E) B items plus C items.

F) A) and C)
G) B) and C)

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In the A-B-C approach, C items typically represent about 15 percent of the number of items, but 60 percent of the dollar usage.

A) True
B) False

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In a two-bin inventory system, the amount contained in the second bin is equal to the


A) ROP.
B) EOQ.
C) amount in the first bin.
D) optimum stocking level.
E) safety stock.

F) C) and D)
G) A) and E)

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Understocking an inventory item is a sure sign of inadequate inventory control.

A) True
B) False

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The basic EOQ model ignores the purchasing cost.

A) True
B) False

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The Operations Manager for Shadyside Savings & Loan orders cash from her home office for her very popular "BIG BUCKS" automated teller machine, which only dispenses $100 bills. She estimates that this machine dispenses an average of 12,500 bills per month, and that carrying a bill in inventory costs 10 percent of its value annually. She knows that each order for these bills costs $300 for clerical and armored car delivery costs, and that order lead time is six days. Assuming a 30-day month, if she were to order 6,000 bills at a time, what would be the length of an order cycle?


A) 0.48 days
B) 2.08 days
C) 6 days
D) 8.4 days
E) 14.4 days

F) B) and E)
G) D) and E)

Correct Answer

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When the item is offered for resale, shortage costs in the single-period model can include a charge for loss of customer goodwill.

A) True
B) False

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