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Operations Management Sustainability And Supply Chain Management Global Edition 12th Edition Jay Heizer, Barry Render, Chuck Munson - Solutions
Hartley Auto Supply delivers parts to area auto service centers and is replacing its fleet of delivery vehicles. What is the total vehicle life-cycle cost of this gasoline engine truck given the information provided in the following table?
Green Forever’s challenge (see Problem S5.12) is to determine which design alternative is the better environmental choice if it uses a different battery for the Premium Mate. The alternate battery revenue and costs are as follows:a) What is the revenue retrieval for the GF Deluxe?b) What is the
Green Forever (see Problem S5.12) has decided to add an automatic string feeder system with cost and revenue estimates as shown below to the GF Deluxe model.a) What is the new revenue retrieval value for each model?b) Which model is the better environmental design alternative? PART String feeder
Green Forever, a manufacturer of lawn equipment, has preliminary drawings for two grass trimmer designs. Charla Fraley’s job is to determine which is better environmentally.Specifically, she is to use the following data to help the company determine:a) The revenue retrieval for the GF Deluxeb)
A Southern Georgia school district is considering ordering 53 propane-fueled school buses. “They’re healthier, they’re cleaner burning, and they’re much quieter than the diesel option,” said a school administrator. Propane-powered buses also reduce greenhouse gasses by 22% compared to
Environmentally conscious Susan has been told that a new electric car will only generate 6 ounces of greenhouse gases(GHG) per mile, but that a standard internal combustion car is double that at 12 ounces per mile. However, the nature of electric cars is such that the new technology and electric
Mercedes is assessing which of two windshield suppliers provides a better environmental design for disassembly. Using the tables below, select between PG Glass and Glass Unlimited. PG Glass RESALE REVENUE RECYCLING PROCESSING DISPOSAL REVENUE COST PER COST PER PART Glass PER UNIT PER UNIT UNIT UNIT
In Problem S5.7, another alternative (Alternative Four) is investigated, where:City takes total responsibility for the program and employees a number of local people with a variable cost of € 1000 per month. Also in the spirit of social responsibility, it initiates a scheme where the local people
In a municipality where a significant amount of recyclable waste is generated, the city has granted permits to waste collectors to take charge of the recyclables and have an additional sources of income by selling them. Now the city wants to establish an environmental waste management program where
Repeat Problem S5.4 but now the average fuel price drops to $3.8 per mile
In problem S5.4, fuel efficiency was based in using the cars in city traffic. Estimate the total life cycle cost of each alternative, the crossover point in both miles and years, if the cars are used for motorway travelling where the average efficiencies becomes 44 and 47 miles per gallon for Car 1
A small commercial company is about to buy cars for the sales people. After an extensive market research the company is about to decide which one of the following two alternatives to choose based on the information provided in the following table.
Using the information in Problem S5.1, which design alternative is the better environmental choice if the Brew House decided to remove the timer from the Brew Master model?
Using the information in Problem S5.1, which design alternative is the better environmental choice if the Brew House decided to add a timer to the Brew Mini model? The timer revenue and costs are identical to those of the Brew Master.
The Brew House needs to decide which of two coffee maker designs is better environmentally. Using the following tables, determine which model is the better design alternative. Brew Master PART RESALE REVENUE PER UNIT RECYCLING REVENUE PROCESSING COST PER DISPOSAL COST PER PER UNIT UNIT UNIT Metal
Why are sustainable business practices important?
How would you classify a company as green?
For ISO 14000 list (a) its five core elements, (b) its advantages, and (c) its environmental and economic benefits.
Discuss the 3 R s.
Explain sustainability.
Find statements of sustainability for a well-known company online and analyze that firm’s policy.
Why must companies practice corporate social responsibility?
Decision trees use:a) probabilities.b) payoffs.c) logic.d) options.e) all of the above.
The three process regions in a process–chain–network diagram are:a) manufacture, supplier, customerb) direct and surrogate, customer, providerc) independent, dependent, customer interactiond) direct interaction, surrogate interaction, independent processing
The documents that assist production, once the product is ready to launch into the market are:a) An assembly drawingb) The assembly chartc) The route sheetd) The work ordere) Engineering change notices (ECNs)f) Value analysis review g) All of the above h) Only (a) – (e)
Service efficiency can be increased if:a) customization is delayed as late in the process as possibleb) the service is modularizedc) the service is automatedd) in the service industry there is a moment of truthe) all of the above
Time-based competition focuses on:a) moving new products to market more quickly.b) reducing the life cycle of a product.c) linking QFD to PLM.d) design database availability.e) value engineering.
A house of quality is:a) a matrix relating customer “wants” to the firm’s “hows.”b) a schematic showing how a product is put together.c) a list of the operations necessary to produce a component.d) an instruction to make a given quantity of a particular item.e) a set of detailed
Which of the following are the requirements of an aggressive new product development strategy:a) open communication with customersb) innovative product development culturesc) aggressive R&Dd) strong leadershipe) formal incentivesf) Training g) All of the above h) Only (a) and (e)
A product’s life cycle is divided into four stages, including:a) introduction.b) growth.c) maturity.d) all of the above.
What are the likely benefits of the CAD design technology?
What kind of engineering savings is Regal achieving by using CAD technology rather than traditional drafting techniques?
What strategy does Regal use to stay competitive?
How does the concept of product life cycle apply to Regal Marine products?
Even though De Mar’s product is primarily a service product, how should each of the 10 strategic OM decisions in the text be managed to ensure that the product is successful?
How should other areas of De Mar (marketing, finance, personnel) support its product strategy?
What is De Mar’s product? Identify the tangible parts of this product and its service components.
A company has developed a promising new product and examines the following three alternatives of manufacturing.Alternative No. 1 is to buy a semi-automatic machine with an initial cost of €130,000, alternative No. 2 is to buy a full automatic machine with an initial cost of €180,000, while
Use the data in Solved Problem 5.1 to examine what happens to the decision if Sarah King can increase all of Design B yields from 59,000 to 64,000 by applying an expensive phosphorus to the screen at an added manufacturing cost of$250,000. Prepare the modified decision tree. What are the payoffs,
Sox Engineering designs and constructs air conditioning and heating systems for hospitals and clinics. Currently, the company’s staff is overloaded with design work. There is a major design project due in 8 weeks. The penalty for completing the design late is $14,000 per week, since any delay
Ritz Products’s materials manager, Tej Dhakar, must determine whether to make or buy a new semiconductor for the wrist TV that the firm is about to produce. One million units are expected to be produced over the life cycle. If the product is made, start-up and production costs of the make
Residents of Mill River have fond memories of ice skating at a local park. An artist has captured the experience in a drawing and is hoping to reproduce it and sell framed copies to current and former residents. He thinks that if the market is good he can sell 400 copies of the elegant version at
MacDonald Products, Inc., of Clarkson, New York, has the option of (a) proceeding immediately with production of a new top-of-the-line stereo TV that has just completed prototype testing or (b) having the value analysis team complete a study. If Ed Lusk, VP for operations, proceeds with the
The product design group of Iyengar Electric Supplies, Inc., has determined that it needs to design a new series of switches.It must decide on one of three design strategies. The market forecast is for 200,000 units. The better and more sophisticated the design strategy and the more time spent on
Review strategic process positioning options for the regions in Figure 5.12, discussing the operational impact (in terms of the 10 strategic OM decisions) for:a) Manufacturing the sandwiches.b) Direct interaction.c) Establishing a sandwich buffet.
Draw a two-participant PCN diagram (similar to Figure 5.12) for one of the following processes:a) The process of having your computer repaired.b) The process of pizza preparation.c) The process of procuring tickets for a concert.
Develop the BOM for product XYZ made from two units of B, five C and four D. B is sub-assembled from six E and two F; C from four E and three D, and D from two G and four H.
Explain why companies outsource and rationalize their vendor base.
Draw an assembly chart for a pair of eyeglasses and its case.
A company is investigating the “make or buy” decision for a new item, with the following cost structure:a) At what volumes would each decision be preferred?b) What is the most economical decision for a volume of 15,000 per year?
Using the house of quality sequence, as described in Figure 5.4 on page 169, determine how you might deploy resources to achieve the desired quality for a product or service whose production process you understand.
Discuss and compare sequential approach and simultaneous (or concurrent) engineering during the various stages of product development. List some important advantages and disadvantages of each approach.
Prepare a house of quality for a mousetrap.
Using the house of quality, pick a real product (a good or service) and analyze how an existing organization satisfies customer requirements.
An automobile company has budgeted €650 million to invest in new car models, where €100 million will go for the development of a new car platform, and €20 million will be allocated for the development of each new model. Suppose that the company wants to develop 15 new models, how many
Given the contribution made on each of the three products in the following table and their position in the life cycle, identify a reasonable operations strategy for each: PRODUCT Smart watch 30 PRODUCT CONTRIBUTION (% OF SELLING PRICE) COMPANY CONTRIBUTION (%: TOTAL ANNUAL CONTRIBUTION DIVIDED BY
A system consisting of two identical components A& B. (a) Under what conditions does the system fail? (b) If the reliability (i.e. the ability of the system to perform its intended function satisfactorily) of components A & B are 90% and 80%, respectively, under what conditions does the system fail?
Think of three products or services that employ:a) Interchangeabilityb) Standardisationc) Modular design
Why are the direct interaction and surrogate interaction regions in a PCN diagram important in service design?
What is a process chain?
Discuss the advantages and disadvantages of involving customers fairly early in the product design process.
Explain how the house of quality translates customer desires into product/service attributes.
Explain what is meant in service design by the “moment of truth.”
How can the voice of the customer be incorporated in the design of products and services?
What information is contained in an engineering drawing?
From the manufacturing, organizational, and supply chain management point of view, what kind of challenges might a firm face in shifting its designing strategy from integrality to modularity?
What are three specific ways in which computer-aided design(CAD) benefits the design engineer?
Explain what is meant by robust design.
Describe four organizational approaches to product development. Which of these is generally thought to be best?
Describe the differences between joint ventures and alliances.
What is Concurrent Engineering and why is it considered to be adopted by companies?
Once a product is defined, what documents are used to assist production personnel in its manufacture?
In what ways is product strategy linked to product decisions?
What techniques do we use to define a product?
Why is it necessary to document a product explicitly?
The tracking signal is the:a) standard error of the estimate.b) cumulative error.c) mean absolute deviation (MAD).d) ratio of the cumulative error to MAD.e) mean absolute percent error (MAPE
Developing joint forecasting with supply chain partners offers the following benefits:a) Reduce inventoryb) Increase salesc) Bring value to the customerd) Share riskse) All of the above
Average demand for iPods in the Rome, Italy, Apple store is 800 units per month. The May monthly index is 1.25. What is the seasonally adjusted sales forecast for May?a) 640 unitsb) 798.75 unitsc) 800 unitsd) 1,000 unitse) cannot be calculated with the information given
Three popular measures of forecast accuracy are:a) total error, average error, and mean error.b) average error, median error, and maximum error.c) median error, minimum error, and maximum absolute error.d) mean absolute deviation, mean squared error, and mean absolute percent error.
Market research is a forecasting method:a) Naïve approachb) Jury of executive opinionc) Qualitatived) Qualitativee) Moving average
The moving average forecasting method is typically best for products:a) Functionalb) Innovativec) Matured) New
Forecasting time horizons include:a) long range.b) medium range.c) short range.d) all of the above.
At Hard Rock’s Moscow restaurant, the manager is trying to evaluate how a new advertising campaign affects guest counts.Using data for the past 10 months (see the table), develop a least-squares regression relationship and then forecast the expected guest count when advertising is $65,000.
Name several variables besides those mentioned in the case that could be used as good predictors of daily sales in each cafe.
Justify the use of the weighting system used for evaluating managers for annual bonuses.
What is the role of the POS system in forecasting at Hard Rock?
Describe three different forecasting applications at Hard Rock.Name three other areas in which you think Hard Rock could use forecasting models.
What additional independent variables might you suggest to include in Perez’s model?
Using Perez’s multiple-regression model, what would be the additional sales potential of a Thursday Miami Heat game played during the Christmas holiday?
Use the data to build a model with rating of the opponent as the sole independent variable.
Use the data in Table 4.3. to build a regression model with day of the week as the only independent variable. TABLE 4.3 Data for Last Year's Magic Ticket Sales Pricing Model TEAM Phoenix Suns DATE* DAY OF WEEK TIME OF YEAR RATING OF OPPONENT ADDITIONAL SALES POTENTIAL November 4 Wednesday 0 0
What revenues are to be expected in 2016 and 2017?
Develop a forecasting model, justifying its selection over other techniques, and project attendance through 2017.
The table below compares the accuracy of two forecasting methods used by company XYZ to forecast its monthly sales of one of its product. The data pertain to the forecast and actual sales levels over a period of five months. What is the value of the tracking signal as of the end of May? Which
Sales of tablet computers at Ted Glickman’s electronics store in Washington, D.C., over the past 10 weeks are shown in the table below:a) Forecast demand for each week, including week 10, using exponential smoothing with a 5 .5 (initial forecast 5 20).b) Compute the MAD.c) Compute the tracking
Dave Fletcher, the general manager of North Carolina Engineering Corporation (NCEC), thinks that his firm’s engineering services contracted to highway construction firms are directly related to the volume of highway construction business contracted with companies in his geographic area. He
Using the date in problem 4.47, the company wants to find out how closely sales are related to the money spend on advertisements.a) Calculate the coefficient of correlation for the data given in problem 4.47, and comment on the degree of the linear relationshipb) If the correlation coefficient was
Bus and subway ridership for the summer months in London, England, is believed to be tied heavily to the number of tourists visiting the city. During the past 12 years, the data on the next page have been obtained:a) Plot these data and decide if a linear model is reasonable.b) Develop a regression
Using the data in Problem 4.30, apply linear regression to study the relationship between the robbery rate and Dr. Fok’s patient load. If the robbery rate increases to 131.2 in year 11, how many phobic patients will Dr. Fok treat? If the robbery rate drops to 90.6, what is the patient projection?
City government has collected the following data on annual sales tax collections and new car registrations:Determine the following:a) The least-squares regression equation.b) Using the results of part (a), find the estimated sales tax collections if new car registrations total 22,000.c) The
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