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business
supply chain management 2nd
ISE Operations And Supply Chain Management 16th International Edition F. Robert Jacobs, Richard B. Chase - Solutions
As an individual or small group, visit your favorite fast-food restaurant during lunch period.As you order, and while you are eating, observe as much of the process as you can. Where are the bottlenecks in the system? What recommendations can you come up with to relieve them?WT-202
When making decisions about what product(s) to produce in a manufacturing system, why is it not enough to simply consider the selling prices and demands for different items?WT-202
What is the name of the software Goldratt developed to implement his idea of TOC?WT-202
What are the three financial measurements necessary to adequately measure a firm’s performance?WT-202
What is the term that refers to the entire production process working in harmony to achieve the profit goals of the firm?WT-202
What classic operational measurement does Goldratt redefine as “all the actions that bring a company closer to its goals”?LO22S-2
The following production flow shows Parts O, Q, and T; Subassembly U; and the final assembly for Product V:M to N to O P to Q R to S to T O and Q to U U and T to V N involves a bottleneck operation, and S involves a capacity-constrained resource. Draw the process flow.WT-202
For the four basic configurations that follow, assume that the market is demanding product that must be processed by both Resource X and Resource Y for Cases I, II, and III. For Case IV, both resources supply separate but dependent markets; that is, the number of units of output from both X and Y
Following are the process flow sequences for three products: A, B, and C. There are two bottleneck operations—on the first leg and fourth leg—marked with an X. Boxes represent processes, which may be either machine or manual. Suggest the location of the drum, buffer, and ropes.WT-202
Willard Lock Company is losing market share because of horrendous due-date performance and long delivery lead times. The company’s inventory level is high and includes many finished goods that do not match the short-term orders. Material control analysis shows that purchasing has ordered on time,
The accompanying figure shows a production network model with the parts and processing sequences. State clearly on the figure (1) where you would place inventory; (2) where you would perform inspection; and (3) where you would emphasize high-quality output.WT-202
The following production flow shows Parts E, I, and N; Subassembly O; and the final assembly for Product P.A to B to C to D to E F to G to H to I J to K to L to M to N E and I to O N and O to P B involves a bottleneck operation, and M involves a CCR.a. Draw the process flow.b. Where would you
Here are average process cycle times for several workcenters. State which are bottlenecks, nonbottlenecks, and capacity-constrained resources.WT-202
How does synchronous manufacturing differ from MRP with respect to scheduling?WT-202
JIT is limited to what type of manufacturing environment?WT-202
Cost accounting logic can lead managers to keep their resources busy all the time, increasing productivity with no regard to demand. What is the negative result from this effect?WT-202
The solution to coping with natural differences between marketing and production functions is to do what two things?LO22S-4
The M–N plant manufactures two different products: M and N. Selling prices and weekly market demands are shown in the following diagram. Each product uses raw materials with costs as shown. The plant has three different machines: A, B, and C. Each performs different tasks and can work on only one
A steel product is manufactured by starting with raw material (carbon steel wire) and then processing it sequentially through five operations using machines A to E, respectively (see following table). This is the only use that the five machines are put to. The hourly rates for each machine are
According to Goldratt, the goal of a firm is to do what?WT-202
At the operational level, Goldratt suggests that these three measures should guide decisions.WT-202
The goal related to these three measures is this.WT-202
Goldratt argues that, rather than capacity, this should be balanced.WT-202
This is any resource whose capacity is less than the demand placed on it.WT-202
Goldratt suggests that a production system should be controlled using these three mechanisms.WT-202
A bottleneck should have this placed in front of it to ensure it never runs out of work.WT-202
A rope is used for this purpose in controlling a production system.WT-202
To pace the production system, this is used.WT-202
This is a measure of the value of inventory and the time it stays within an area.WT-202
Understand what sales and operations planning is and how it coordinates manufacturing, logistics, service, and marketing plans.W101
Construct and evaluate aggregate plans that employ different strategies for meeting demand.W101
Explain yield management and why it is an important strategy.W101
What are the basic controllable variables of a production planning problem? What are the four major costs?LO19-2
Distinguish between pure and mixed strategies in production planning.W101
What are the major differences between aggregate planning in manufacturing and aggregate planning in services?W101
How does forecast accuracy relate, in general, to the practical application of the aggregate planning models discussed in the chapter?W101
In what way does the time horizon chosen for an aggregate plan determine whether it is the best plan for the firm?LO19-3
Define yield management. How does it differ from the pure strategies in production planning?W101
How would you apply yield management concepts to a barbershop?A soft drink vending machine?W101
Major operations and supply planning activities can be grouped into categories based on the relevant time range of the activity. Into what time range category does sales and operations planning fit?W101
What category of planning covers a period from a day to six months, with daily or weekly time increments?W101
List at least three of the four costs relevant to the aggregate production plan.W101
Which of the four costs relevant to aggregate production planning is the most difficult to accurately measure?LO19-2
Develop a production plan and calculate the annual cost for a firm whose demand forecast is fall, 10,000; winter, 8,000; spring, 7,000; summer, 12,000. Inventory at the beginning of fall is 500 units. At the beginning of fall, you currently have 30 workers, but you plan to hire temporary workers at
DAT, Inc., needs to develop an aggregate plan for its product line.Relevant data are Production time 1 hour per unit Beginning inventor y500 units Average labor cost$10 per hour Safety stockOne-half mont hWorkweek 5 days, 8 hours each day Backorder cost$20 per unit per mont hDays per month Assume
Old Pueblo Engineering Contractors creates six-month “rolling”schedules, which are recomputed monthly. For competitive reasons(it would need to divulge proprietary design criteria, methods, and so on), Old Pueblo does not subcontract. Therefore, its only options to meet customer requirements
Alan Industries is expanding its product line to include three new products: A, B, and C. These are to be produced on the same production equipment, and the objective is to meet the demands for the three products using overtime where necessary. The demand forecast for the next four months, in
Shoney Video Concepts produces a line of video streaming servers that are linked to computers for storing movies. These devices have very fast access and large storage capacity.Shoney is trying to determine a production plan for the next 12 months. The main criterion for this plan is that the
Helter Industries, a company that produces a line of women’s bathing suits, hires temporaries to help produce its summer product demand.For the current four-month rolling schedule, there are three temps on staff and 12 full-time employees. The temps can be hired when needed and can be used as
The widespread scientific application of yield management began within what industry?W101
Under what type of demand is yield management most effective?W101
In a yield managment system, pricing differences must appear logical and justified to the customer. What is the basis for this justification commonly called?W101
The essence of yield management is the ability to manage what?W101
Prepare an aggregate plan for the coming year, assuming that the sales forecast is perfect. Use the worksheet “Bradford Manufacturing” that is in the “19 Sales and Operations Planning”spreadsheet. In the worksheet, an area has been designated for your aggregate plan solution. Supply the
Find a solution to the problem that goes beyond just minimizing cost.Prepare a short write-up that describes the process you went through to find your solution and that justifies why you think it is a good solutionW101.
Term used to refer to the process a firm uses to balance supply and demand.W101
When doing aggregate planning, these are the three general operations–related variables that can be adjusted.W101
A strategy where the production rate is set to match expected demand.W101
When overtime is used to meet demand and avoid the costs associated with hiring and firing.W101
A strategy that uses inventory and backorders as part of the strategy to meet demand.W101
Sometimes a firm may choose to have all or part of the work done by an outside vendor. This is the term used for the approach.W101
If expected demand during the next four quarters is 150, 125, 100, and 75 thousand units, and each worker can produce 1,000 units per quarter, how many workers should be used if a level strategy is being employed?W101
Given the data from question 7, how many workers would be needed for a chase strategy?W101
In a service setting, what general operations–related variable is not available compared to a production setting?W101
The practice of allocating capacity and manipulating demand to make it more predictable.W101
Use Microsoft Excel Solver to solve a linear programming problem.W101
What is the most limiting resource to the furniture company?W101
Determine the product mix needed to maximize profit at the company. What is the optimal number of end tables, sofas, and chairs to produce each month?W101
What is the most limiting resource to the furniture company?In terms of our production resources, staining capacity is really hurting profit at this time.W101
Determine the product mix needed to maximize profit at the furniture company.The product mix would be to make 260 end tables, 180 sofas, and no chairs.W101
What is the best mix of the Friday night specials to maximize Bruce’s Diner revenue?W101
If a supplier offered to provide a rush order of buns at $1.00 a bun, is it worth the money?W101
What is the best mix of the Friday night specials to maximize Joe Bob’s revenue?20 Cheeseburgers, 60 Sloppy Joes, 65 Tacos, and 55 bowls of Chili W101
If a supplier offered to provide a rush order of buns at $1.00 a bun, is it worth the money?W101
Solve the following problem with Excel Solver:W101
Solve the following problem with Excel Solver: (Answer in Appendix E)W101
A manufacturing firm has discontinued production of a certain unprofitable product line. Considerable excess production capacity was created as a result. Management is considering devoting this excess capacity to one or more of three products: X1, X2, and X3.Machine hours required per unit are
A diet is being prepared for the University of Arizona dorms. The objective is to feed the students at the least cost, but the diet must have between 1,800 and 3,600 calories. No more than 1,400 calories can be starch, and no fewer than 400 can be protein. The varied diet is to be made of two
Repeat problem 4 with the added constraint that not more than 150 calories shall be fat and that the price of food has escalated to $1.75 per pound for food A and $2.50 per pound for food B.W101
A farmer in Wood County has 900 acres of land. She is going to plant each acre with corn, soybeans, or wheat. Each acre planted with corn yields a $2,000 profit; each with soybeans yields $2,500 profit; and each with wheat yields $3,000 profit. She has 100 workers and 150 tons of fertilizer. The
Explain how inventory is used and understand what it costs. 1002W
Analyze how different inventory control systems work. 1002W
Analyze inventory using the Pareto principle.1002W
Distinguish between dependent and independent demand in a McDonald’s restaurant, in an integrated manufacturer of personal copiers, and in a pharmaceutical supply house.1002W
Distinguish between in-process inventory, safety stock inventory, and seasonal inventory.1002W
Discuss the nature of the costs that affect inventory size. For example:a. How does shrinkage (stolen stock) contribute to the cost of carrying inventory? How can this cost be reduced?b. How does obsolescence contribute to the cost of carrying inventory?How can this cost be reduced?LO20-2
Under which conditions would a plant manager elect to use a fixed–order quantity model as opposed to a fixed–time period model? What are the disadvantages of using a fixed–time period ordering system?1002W
Discuss the assumptions that are inherent in production setup cost, ordering cost, and carrying costs. How valid are they?1002W
Which type of inventory system would you use in the following situations?a. Supplying your kitchen with fresh foodb. Obtaining a daily newspaperc. Buying gas for your car To which of these items do you impute the highest stockout cost?1002W
What is the purpose of classifying items into groups, as the ABC classification does?1002W
The local supermarket buys lettuce each day to ensure really fresh produce.Each morning, any lettuce that is left from the previous day is sold to a dealer that resells it to farmers who use it to feed their animals. This week, the supermarket can buy fresh lettuce for $4.00 a box. The lettuce is
Solve the newsperson problem. What is the optimal order quantity?Probability 0.2 0.1 0.1 0.2 0.3 0.1 Value 1 2 3 4 5 6 Purchase cost c = 15 Selling price p = 25 Salvage value v = 10 1002W
Wholemark is an Internet order business that sells one popular New Year’s greeting card once a year. The cost of the paper on which the card is printed is $0.05 per card, and the cost of printing is $0.15 per card. The company receives $2.15 per card sold. Because the cards have the current year
Lakeside Bakery bakes fresh pies every morning. The daily demand for its apple pies is a random variable with (discrete) distribution, based on past experience, given by Demand 5 10 15 20 25 30 Probability 10% 20% 25% 25% 15% 5%Each apple pie costs the bakery $6.75 to make and is sold for
Sally’s Silk Screening produces specialty T-shirts that are primarily sold at special events. She is trying to decide how many to produce for an upcoming event. During the event, Sally can sell T-shirts for $20 apiece.However, when the event ends, any unsold T-shirts are sold for $4 each. It
Dunstreet’s Department Store would like to develop an inventory ordering policy with a 95 percent probability of not stocking out. To illustrate your recommended procedure, use as an example the ordering policy for white percale sheets.Demand for white percale sheets is 5,000 per year. The store
Charlie’s Pizza orders all of its pepperoni, olives, anchovies, and mozzarella cheese to be shipped directly from Italy. An American distributor stops by every four weeks to take orders. Because the orders are shipped directly from Italy, they take three weeks to arrive.Charlie’s Pizza uses an
Given the following information, formulate an inventory management system. The item is demanded 50 weeks a year.Parameter Value Item cost $10.00 Parameter Value Order cost $250.00/order Annual holding cost 33% of item cost Annual demand 25,750 units Average weekly demand 515/week Standard deviation
Lieutenant Commander Data is planning to make his monthly (every 30 days) trek to Gamma Hydra City to pick up a supply of isolinear chips. The trip will take Data about two days. Before he leaves, he calls in the order to the GHC Supply Store. He uses chips at an average rate of 5 per day (seven
Jill’s Job Shop buys two parts (Tegdiws and Widgets) for use in its production system from two different suppliers. The parts are needed throughout the entire 52-week year. Tegdiws are used at a relatively constant rate and are ordered whenever the remaining quantity drops to the reorder level.
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