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business
operations management

Questions and Answers of Operations Management

Orion Electronics, a fictitious chain of electronics stores, operates a website to encourage potential customer to buy its products online. Because the website is expensive to maintain, the VP of
Refer to problem 26.1. Using Excel, develop a linear regression model for predicting maintenance cost as a function of age of the trucks. Forecast maintenance cost if the age of the truck is 7
The chancellor of a small regional college is concerned about the declining freshmen enrollment at his college. A number of factors have contributed to the decline, but the chancellor believes it is
A home improvement store has the following actual quarterly sales for its lawn mowers for the past 2 years. Quarterly seasonal indices for quarters 1, 2, 3, and 4 are S1= 1.0, S2= 1.2, S3= 0.96, and
Use the seasonal indices developed for problem 12 and the centered moving average method to:1. Deseasonalize the ice cream sales data.2. Develop a linear trend equation using the deseasonalized
A BMW car dealer in Sicilia, Italy, has the following monthly new car sales data for January through December 2014. The dealer believes that new car sales follow a monthly seasonal pattern and
The fictitious Haskin & Collins Ice Cream Store needs an accurate estimate of demand. The owner of the store believes that the demand for ice cream has a quarterly seasonal pattern. To analyze
The director of an emergency room, Simran Kaur, has observed that patient traffic at the emergency room follows a seasonal pattern with a higher patient traffic during weekends than weekdays. She has
In the busy port of Chennai, India, the number of containers loaded onto ships during a 15-week period is as follows:1. Develop a linear trend equation to forecast container loadings.2. Using the
Martin Guenther, the manager of Lloyd€™s Savings Bank (fictitious) in Hamburg, Germany, wants to forecast the number of new checking accounts that will be opened in the next 2 months. He
St. Xavier College, a fictional educational institution, wants to forecast the enrollment in its business department for the next academic year. The combined enrollment for full-time and parttime
The marketing manager of a shoe store has developed the following linear trend equation to predict monthly sales for the store’s popular brand of ladies shoes.Ft = 220 + 27 x t, whereFt is monthly
Bear Creek Ski Resort in Vail, Colorado, had the following guest occupancy for the 8 weeks of November and December of 2014. Forecast the number of guests for January 2015 using trendadjusted simple
Calangute Beach Resort, a fictional sea-side luxury hotel in Goa, India, had the following occupancy rates for 12 months of 2014:1. Forecast the occupancy rate for January 2015 using simple
Trinity General Hospital had the following number of patient admissions during the past 8 weeks:1. Develop a 3-week weighted average forecast for week 4 through 9 with weights of W1 = 0.5, W2 = 0.3,
James Triton, owner of the fictitious Triton Auto Parts, wants to use simple exponential smoothing to forecast the demand for automobile batteries for his store. He has collected the following data
Vidhya Balan is planning to liquidate her investments in mutual funds and invest in real estate. Before making the change in her investment strategy, Vidhya wants to forecast the price of mutual
1. Given the role that “Mother Nature” plays in forecasting Super Bowl ticket prices, how might you adjust your expectations for ticket costs from year to year, given the location of the event?2.
The demand for automobiles at Crescent Auto Dealers for the last 8 weeks is as follows:1. Develop a 3-week moving average forecast for weeks 4 through 9.2. Develop a 3-week weighted average forecast
What are the four steps to managing demand effectively?How does global demand volatility affect an organization’s upstream and downstream suppliers? Use a grocery store as an example.
Referring to problem 4, did the firm engage in a service recovery act? If so, what did they do? How did its service recovery change your opinion of the firm’s overall performance, and what is the
How has Amazon Prime demonstrated the truth of the statement that demand management and customer service are closely linked? (Remember that order fulfillment is a key determinant of how satisfied
“If we don’t take care of our customers, someone else will.” Explain the nature of this statement. Why does customer service management matter in the modern, global environment?
1. Imagine you are a member of the demand planning staff for a hospital in a rural part of Florida. How would you begin developing a plan for the future demand for health care at your hospital? What
Suppose you were a senior manager at an oil refinery in Texas and you were considering partnering with a major railroad and investing money to help them upgrade their rail lines used for shipping oil
Discuss the importance of demand management from the perspectives of both a manufacturing firm and a service organization. What are the five key reasons why demand management is so critical for an
Why is demand planning difficult in high-tech companies? What are the consequences of the lack of an effective demand-planning process in such companies?
1. In your opinion, what is the future of fast food around the world? Are consumer taste changes and concerns about healthy eating likely to diminish the demand for fast food?2. How would you
Imagine that you were considering the potential of opening an upscale restaurant in a remote area of the Oregon coast. What demand management (economic and technological) factors should you consider
How are ethical and sustainability considerations addressed through logistics management?
What are some critical functions played by logistics in the service sector?
What are the various critical factors to consider in global logistics?
What are the functions of a warehouse?
Explain the differences among supply warehouses, cross-docking warehouses, and distribution centers.
What four strategies can improve packaging efficiency?
What are the critical functions served by packaging?
Discuss the critical trade-offs related to transportation management: (a) Transportation vs. inventory costs and (b) Transportation costs vs. customer responsiveness. Why do these trade-offs
How does cross-docking work?
Describe a milk-run delivery system. When would a firm use such a system?
Identify the three main goals of sustainable logistics. Using a product such as bottled water, explain how an organization can be creative in packaging and delivering bottled water to its markets
What are backhauls, and why are they often an unnecessary drain on a company’s transportation resources?
Use the Internet to search for examples of sustainable product packaging. What are some key features that many of these packages have in common?
“If a company’s target market consists of price-conscious consumers, then the firm is more likely to use slower modes of transportation.” Discuss why this is so.
Consider the challenges of global logistics management for selling supply chain textbooks to universities in South Africa. Identify how packaging, labeling, and inventory issues can all play critical
Identify the key modes of transportation, and discuss the benefits and drawbacks of each mode.
Assume you are the logistics manager for fictional StayFresh Grocery Stores, in Cleveland, Ohio. You are responsible for 7 stores in the metropolitan area. How might you employ crossdocking at your
What is transportation management, and why is it a critical part of an integrated logistics management system?
Suppose you were designing packaging for organically grown tea. What are some of the features you would emphasize? Why? How would the various functions of packaging affect how you would package your
What are the key benefits of an integrated logistics management system?
A company involved in global distribution of its products faces many challenges. Discuss some strategies that you would implement for distribution of a company’s products in Japan.1. Suppose, in
1. Why are the logistics decisions of a retailer like Wal-Mart so important for other firms to be aware of and emulate?2. Why has Wal-Mart taken a more environmentally conscious approach to
How do direct and indirect material purchases differ?
The following product structure tree is for a step stool:A company that assembles step stools wants to ship 110 units at the beginning of week 4, 140 units at the beginning of week 5, and 200 units
What are the major assumptions of the EOQ model, and how do they restrict the model’s applicability to real-life inventory issues?
Refer to problem 1. Assuming that holding cost and order costing remain the same, if annual demand for wiper blades doubles to 32000, does the EOQ also double? Explain your answer with relevant
How do the demand and the lead time affect reorder points in a continuous review system?
You’re a buyer for fictional Quality Kitchen Appliances. The store has a demand for 1,000 toaster ovens per year. The cost of each toaster oven is US$78. The ordering cost is US$100 per order. The
What are the differences between the EPQ and the EOQ model?
The Burlap Tire Company is a mythical producer of a brand of tires known as the Snowgrip. The annual demand for this brand of tires at its distribution center is 14,000. The cost of ordering these
In the EPQ model, what would be the effect if the production rate and the demand rate are equal?
When quantity discounts are offered, what factors other than price should be considered?
A company manufactures vacuum cleaners. Although the company buys many of the components from outside vendors, it produces in-house HEPA filters at the rate of 600 per day. Vacuum cleaners are
How is the service level related to safety stock?
Park Sung Inc. is a fictional South Korean manufacturer of refrigerators. The company produces at its manufacturing plant in Busan subcomponents for its refrigerators at the rate 275 units per day.
Explain the relationship between the setup time and the average inventory level in the EPQ model. What would be the beneficial effect of reducing setup times?
The mythical Hacker Microbrewery in Rosenheim, Germany, makes a brand of beer called Golden Eagle, which it bottles and sells in cases to adjoining pubs and stores in Rosenheim. The setup cost of
In a continuous review system, how does the variability in both the demand and the lead time affect the target inventory level?
Sun International is a fictional major distributor of hand towels and wash clothes to hotel chains and restaurants. To minimize procurement costs, the company is planning to switch to a supplier
A U.S. jewelry store wishes to buy rare green amethyst gemstones. The supplier of the gemstones has announced the quantity discount schedule in the following table. The ordering cost is US$120 per
A printing company uses 2,000 reams of a certain type of paper in a year. The cost of holding one ream of paper in inventory per year US$0.60. The ordering cost per order is US$30.00. The vendor that
The mythical Owen Distributors has an annual demand of 2,000 units for its handheld security wands. The average cost of the handheld security wand is US$140. Carrying cost is 18% of the unit cost of
In single-period inventory systems, how would a high level of service affect the optimal stocking policy?
A creamery shop sells a special blend of mango and vanilla ice cream. The cost to the shop of making this ice cream is $3.00 per quart and it sells it for $4.50 per quart (in U.S. dollars). The
Refer to the data in problem 31. If the annual holding cost is a constant $3.50 per shirt per year, compute the optimal order quantity and the total annual cost.Data from problem 31Emily Ford, the
Emily Ford, the manager of a college bookstore, purchases polo shirts from a local vendor with the college name and logo printed on them. Emily purchases these t-shirts from the vendor at a cost of
A small grocery store buys one-gallon bottles of milk from a local dairy farmer. The store buys milk from the dairy farmer at a cost of $2.00 per gallon and sells it for $3.50 per gallon. The demand
A bakery must decide how many graduation cakes to prepare for the upcoming weekend. The demand for the cakes can be approximated by a normal distribution with a mean of 8 cakes per day and a standard
A local farm market buys fresh fruits and vegetables from local farmers. It buys peaches from one farmer at a cost of $0.90 per pound and sells it for $2.00 per pound. The demand for peaches during
The manager of a department store uses two types of inventory control systems to manage the inventory of stock keeping units (SKUs) in his store€”a continuous review system and a periodic
A drugstore orders at fixed intervals many of the items it stocks. The store orders a particular brand of cold medicine from a wholesale supplier. The store reviews the stock of the medicine every 25
Given the following forecast and cost information, determine the total cost of a plan that uses regular time production output of 600 units per month, overtime is used when needed up to a maximum of
A company currently uses the level strategy for implementing its sales and operations plan. The company recently introduced several new products into the market that have significantly increased the
You have been named manager for a Mexican-themed restaurant at a vacation hot spot in the Dominican Republic. Your highest volume season is typically from mid November to late March. How might you
What are the problems that S&OP planners face in an environment of high demand uncertainty? What decision options do they have in such an environment?
You have just been put in charge of a golf equipment store in the western New York region and are interested in employing some “demand influencing options” for boosting sales. Please give
The objective of S&OP is to minimize total cost. What are the major cost categories of this total cost?
Suppose you were in charge of product purchasing for the men’s sportswear department of a large department store in the suburbs of Chicago. How might you use top-down and bottom-up planning for
List some industries or situations where each of the three basic S&OP strategies is appropriate?
Why is demand planning so difficult for a company to perform? Use the example of a video game developer. How would they use demand planning prior to the anticipated launch of a new product? How would
What are the major differences between the level and chase S&OP planning strategies?
1. How has social media made the S&OP process more complex?2. How can e-commerce help and hurt the coordination of sales and operations planning forecasts?3. Why is the challenge of managing
Sales and operations planning (S&OP) has been referred to as the means for bringing together a company’s marketing, finance, sales, and operations departments for fully integrated business
What is sales and operations planning (S&OP), and why is it important to companies in many industries?
Develop a level production plan for the compressor demand forecast in problem 9 by using overtime, inventory, and backlogs to absorb demand fluctuations. Inventory holding costs are $10 per month per
What are some of the issues that companies should address in implementing a global sales and operations plan?
Refer to Example 17.1. Suppose the company€™s manufacturing plant was shut down during February and March due to a labor strike. Nonetheless, demand for those 2 months still had to be met.
What is sales carbon operations planning (SCOP)? How is it different from the typical S&OP process?
Refer to Solved Problem 17.1. Suppose Cool Air Inc. has a maximum regular time production capacity of 900 air conditioners per month for the months of January through October and only 600 air
Refer to Solved Problem 17.1. Use a chase production strategy. Yet, the number of full-time employees hired or fired is restricted to 5 employees per month. During peak demand periods, the company
PharmaTech, Inc., a fictional manufacturer of pharmaceutical products and medical supplies located in Zurich, Switzerland, uses sales and operations planning to set production, workforce, and

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