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business
operations management 6th

Operations Management An Integrated Approach 2nd Edition R. Dan Reid ,Nada R. Sanders - Solutions

The dean of the business school wants to start offering this program starting 32 weeks from now. Using the information provided in Problem 15: (a) Calculate the probability of the program starting
Using the information given: (a) Calculate the expected time for each of the project activities. (b) Calculate the variance for each of the project activities. (c) Evaluate the connected paths
Using the information given and the project completion time calculated in Problem 9 (a), calculate the minimum time for completing the project possible. Use Figure 16-21 and the following project
Using your results from Problem 6: (a) Calculate the probability that the project will be completed in 38 weeks. (b) Calculate the probability that the project will be completed in 42 weeks. Use the
Jack’s Floating Banana Party Company is planning to add a new party vessel for the upcoming season. Jack has identified several activities that must be finished before the start of the season.
Identify a personal project that you have recently completed or are in the process of completing-for example, a research paper, or organizing a social event. Identify the major activities you had to
Visit a local organization. Learn about the kinds of proj- ects they are working on and how they manage these projects.
Using the job information in Problem 24, develop a sequence based on the shortest processing time priority rule. Prioritize based on prep time. In the case of ties, select the house that has the
Student Premier Painters (SPP) has 6 house painting jobs in a particular neighborhood. The houses vary in size, condition, and painting requirements, but each house must be prepped (clean, sanded,
Bill's Bar & Grill is open 7 nights a week. Business is busiest on Thursday when there is a concert in the park across the street. Bill wants a workforce schedule that allows each employee. 2
Cathy's Coney Islands has just purchased new equip- ment. Cathy believes the improved efficiency will reduce the number of people needed Monday through Friday down to 4.She does not believe she can
Cathy's Coney Islands operates 7 days per week. Demand is relatively constant during the week and tails off on the weekend. She estimates that she needs 5 employees Monday through Friday, and 2
Marvin is preparing for the upcoming 3-day weekend. He estimates that he will need 3 additional workers on Sunday of that week. Using the requirements given in Problem 18 for the other days of the
Marvin's Beach Cleaners is responsible for keeping the beach clean. Marvin estimates that he needs a minimum of 2 people on Monday: 3 people on Tuesday and Sunday; 4 people on Wednesday and Thursday,
Next week is a 3-day weekend. Barb believes that she will need a minimum of 6 employees on Friday, Saturday, and Sunday. The other days will still need a minimum of 3 workers. Remember that Barb
Barb's Beach Bar operates 7 days per week. Barb uses only full-time employees and wants each employee to have 2 consecutive days off each week. She believes that she needs a minimum of 3 employees on
Compare the makespan, mean job flow time, and average num- ber of jobs in the system compared to your results in Problems 13 and
Raquel's Landscaping Company has contracted for sev eral landscaping jobs. Each job requires preparing the areas (identifying the locations and types of plants, preparing the soil, etc.) and then
Com pare the makespan, mean job flow time, and the average num- ber of jobs in the system compared to your results in Problems 10 and 13.
Joe has asked you to develop a sequence that minimizes makespan for the sequence of jobs given in Problem
Joe's Twenty-four Seven Laundromat has the following jobs waiting to be processed. The first step of the process in- cludes washing and drying the clothes, the second step is press- ing the clothing.
Henri recently learned about global priority rules. He is interested in the slack over remaining operations (S/RO) rule. (a) Using the data in Problem 5, determine the sequence Henri should follow if
Henri's Custom Gowns has 6 jobs waiting to be processed. Each gown is at the beading workcenter. The job information is shown here.Days Job Time Operations Remaining Job time Until at Other at Other
(b) Calculate the percentage of planned input that actually happened (actual input backlog/planned input + backlog). (c) Calculate the percentage of available output that was act tually accomplished
Since Jack believes that Workcenter 3 is his bottleneck, he has asked you to do the following: (a) Calculate the percentage of planned output needed to complete the planned inputs (planned input
Jack, the owner and manager of Jack's Box Company, wants to monitor usage at Workcenter 3, which is a bottleneck in the system. He has collected data on the planned and actual input and output. Input
Visit a local service or manufacturing operation and learn how they measure schedule effectiveness.
Visit a local manufacturing operation and describe how they sequence jobs through the shop.
Visit a local service operation and describe their schedul- ing procedures.
Describe a low-volume service operation and describe how scheduling should be done.
Describe a high-volume service operation and describe how scheduling should be done.
In an effort to increase capacity in Workcenter 111 for Week 13, Yankee Machine Shop has authorized overtime. The workcenter will be staffed 12 hours per day for 6 days. Because of the additional
Unfortunately, after extending the work day from 8 hours to 10 hours, the Yankee Machine Shop has noted that efficiency has decreased to 80%. Given this new piece of information, is there enough
The Yankee Machine Shop has decided to schedule its work force to work 10 hours per day, 5 days per week. Does this new policy provide enough capacity to complete the orders shown in Problem 19?
The Yankee Machine Shop currently has three machines working in Workcenter 111, 8 hours per day, 5 days per week, a utilization rate of 90% and an efficiency rate of 90%. (a) Calculate the available
Calculate the average inventory records if the company decides to switch the lot size rule for AB511 and ABS521 to lot-for-lot. Compare the number of replenishment orders using the new lot size
Use the planned orders generated in Problem
Using the inventory records completed in Problem 12, calculate the average inventory level of AB501, AB511, AB521.
Calculate the minimum replenishment for the Model A fountains given the beginning inventories.
Will's Welded Widgets (WWW) makes its Q Model from components R, S, and T. Component R is made from two units. of component X and one unit of component Y. Component T is made from one unit of
Describe the role of SCM-software and give examples of how it differs from generation 1 ERP.
Describe the role of SCM-software and give examples of how it differs from generation 1 ERP.
Describe the role of SCM-software and give examples of how it differs from generation 1 ERP.
Using the information provided in Problem 25 develop a hybrid plan for SMC. All demand must be met each quarter. (a) Calculate the cost of your hybrid aggregate plan. (b) Evaluate your plan in terms
Using the information provided in Problem 25, develop an aggregate plan for SMC, using a pure chase strategy. No end- ing inventory is allowed. Your beginning inventory is a result of last year's
The Sno-More Company (SMC), a producer of snowmo- biles, wants you to develop an aggregate plan for the coming year. Being a producer of a winter recreational product, SMC experiences highly seasonal
Josh Randall, a sales representative for WAI, has con- vinced his customer (order #2 in Problem 23) to reschedule. Order #2 has agreed to accept delivery of 25 units in week 2 as long as WAI can also
WAI, the company in Problem 22, has received the fol- lowing additional customer orders shown here. You must deter- mine which of the orders the company can accept. If the com- pany must reject any
WAI has developed the following MPS. Calculate the projected available and the available-to-promise quantities for WAL 1 2 3 4 5 6 7 8 Forecast 30 30 30 40 40 40 45 45 Customer Orders 35 15 20 18 12
WAI knows from historical records that approximately 40% of its labor is used in Department 101 and 60% is used in Department 102.The reverse is true of machine time; 60% is used in Department 101
WAT uses two resources for each product that it builds: direct labor and machine time. From historical records, WAI calculates the following planning factors: Direct labor for standard corkscrew is
In an effort to reduce setup frequency, DDKC has decided to use an MPS order quantity of 120 kites. (See Problem 15 for data.) (a) Prepare the MPS using the new order quantity. (b) Calculate the
David's Delightful Kites Company (DDKC) manufac- tures kites. The most popular is David's Daredevil model. De- mand management has prepared forecast estimates for the next 6 weeks. Beginning
W.C. Sanders, owner of Fort Engines, a producer of heavy-duty snow blower engines, needs to develop an aggregate plan for the coming year. The company currently uses 20 indi- viduals working 160
W.C. Sanders, owner of Fort Engines, a producer of heavy-duty snow blower engines, needs to develop an aggregate plan for the coming year. The company currently uses 20 indi- viduals working 160
(b) Show what would happen if this plan were implemented. (c) Calculate the costs associated with this plan. (d) Evaluate the plan in terms of cost, customer service, operations, and human resources.
Jill Nicholas believes there must be a better aggregate plan. She has suggested a hybrid plan, using a permanent workforce of 195 employees and subcontracting as needed. Once again, Jill has
What two items must you calculate first when developing your aggregate plan?
Describe the factors to consider before developing your aggregate plan.
Describe the different capacity-based options used in aggregate planning and their implications for your company.
Describe the different demand-based options used in aggregate planning and their implications for your company.
My Kitchen Delights (MKD) is considering 2 new suppli- ers for the jars used in their production process. The quality at both suppliers is equal. Assume that the annual holding cost is 30% of the
My Kitchen Delights (MKD), a regional producer of gourmet jams and jellies, uses approximately 24,000 glass jars each month during its production. Because of space limitations, MKD orders 5000 jars
Michael's Office Supply (MOS) sells office furniture, equipment, and supplies. This week the company has received 50 customer orders. Each order has an average of 5 line items. The average dollar
Your new company has decided to use a periodic review system. You have learned that average weekly demand is 48 units per week with a standard deviation of 8 units. You believe that your
Lissette Jones, the materials manager for an upscale retailer, wants to measure her customer service level. She has collected the following representative data. Order Number of Dollar Value Number
Greener Pastures Incorporated (GPI) produces a highquality organic lawn food and weed eliminator called Super Green (SG). Super Green is sold in 50-pound bags. Monthly demand for Super Green is
Using the data provided in Problem 23, determine what will happen if HP uses the economic production quantity model to establish the quantity produced each cycle. (a) Calculate the economic
Healthy Plants Ltd. (HP) produces its premium plant food in 50-pound bags. Demand for the product is 100,000 pounds per week. HP operates 50 weeks per year. HP can produce 250,000 pounds per week.
Tax Preparers Inc., works 250 days per year. The company uses adding machine tape at a rate of 8 rolls per day. Usage is believed to be normally distributed with a standard deviation of 3 rolls
Using the information provided in Problem 20, (a) Calculate the economic order quantity for each item. (Round to the nearest whole number). (b) Calculate the company’s maximum inventory investment
Given the following list of items, (a) Calculate the annual usage cost of each item. (b) Classify the items as A, B, or C. Annual Ordering Item Demand Cost (5) Holding Cost (%) Unit Price ($) 101 500
The Office of Tourism (Problem 18) has decided to heavily promote local events this year and anticipate more tourists this season. Sue has changed the probability of selling different quantities of
The local Office of Tourism sells souvenir calendars. Sue, the head of the office, needs to order these calendars in advance of the main tourist season. Based on past seasons, Sue has determined the
Using the information in Problem 16, calculate the following: (a) The economic order quantity. (b) The total annual costs using the EOQ ordering policy. (c) The penalty costs Sam is incurring by
Sam’s Auto Shop services and repairs a particular brand of foreign automobiles. Sam uses oil filters throughout the year. The shop operates 52 weeks per year and weekly demand is 150 filters. Sam
In a further attempt to liquidate its inventory, Rapid Grower has offered Greens, the local nursery, an option to buy the entire year’s supply at one time. The cost per bag would be $12. Should
In an effort to reduce its inventory, Rapid Grower is offering Greens, a local nursery (Problems 12 and 13), two additional price breaks to consider. If the nursery orders a 3-month supply, the
Rapid Grower, the supplier of plant food for Greens in Problem 12, has offered the following quantity discounts. If the nursery places orders of 50 bags or less, the cost per bag is $20. For orders
12. A local nursery, Greens, uses 1560 bags of plant food annually. Greens works 52 weeks per year. It costs $10 to place an order for plant food. The annual holding cost rate is $5 per bag. Lead
Bill Maze, recently hired by Custom Computers, Inc. has suggested using the economic order quantity for the heat sinks. Using the information in Problem 9, calculate the following: (a) Economic
Custom Computers, Inc. from Problem 9 is considering a new ordering policy. The new order quantity would be 650 heat sinks. Recalculate Problem 9, parts (a) through (e), and compare results.
Custom Computers, Inc. assembles custom home computer systems. The heat sinks needed are bought for $12 each and are ordered in quantities of 1300 units. Annual demand is 5200 heat sinks, the annual
A technology problem has rendered some of the inventory at FFF (Problem 6) obsolete. FFF estimates that the risk cost of their inventory is now 10%. (a) Calculate the new annual holding cost rate.
The Federal Reserve Board has just increased the interest rate. FFF in Problem 6 now has to pay 12% for its capital. Calcu- late the impact on total annual holding costs for FFF.
Frederick's Farm Factory (FFF) currently maintains an av- erage inventory valued at $3,400,000. The company estimates its capital cost at 10%, its storage cost at 4.5%, and its risk cost at 6% (a)
What is the inventory turnover for Genuine Reproduc- tions from Problems 3 and 4 if sales actually increase 20% but the average inventory rises to $325,000?
Genuine Reproductions (GR) from Problem 3, plans on increasing next year's sales by 20% while maintaining its same average inventory in dollars. (a) Calculate the expected inventory turnover for next
Joe, the owner of Genuine Reproductions (GR), a com- pany that manufactures reproduction furniture, is interested in measuring inventory effectiveness. Last year the cost of goods sold at GR was
In an effort to reduce its inventory, Rapid Grower is of fering Greens, a local nursery (Problems 12 and 13), two addi- tional price breaks to consider. If the nursery orders a 3-month supply, the
Rapid Grower, the supplier of plant food for Greens in Problem 12, has offered the following quantity discounts. If the nursery places orders of 50 bags or less, the cost per bag is $20. For orders
12. A local nursery, Greens, uses 1560 bags of plant food an- nually. Greens works 52 weeks per year. It costs $10 to place an order for plant food. The annual holding cost rate is $5 per bag. Lead
Bill Maze, recently hired by Custom Computers, Inc. has suggested using the economic order quantity for the heat sinks. Using the information in Problem 9, calculate the fol- lowing: (a) Economic
Custom Computers, Inc. from Problem 9 is considering a new ordering policy. The new order quantity would be 650 heat sinks. Recalculate Problem 9, parts (a) through (e), and com- pare results.
Custom Computers, Inc. assembles custom home com- puter systems. The heat sinks needed are bought for $12 each and are ordered in quantities of 1300 units. Annual demand is 5200 heat sinks, the
Frederick's Farm Factory (FFF) currently maintains an av- erage inventory valued at $3,400,000. The company estimates its capital cost at 10%, its storage cost at 4.5%, and its risk cost at 6%. (a)
What is the inventory turnover for Genuine Reproduc- tions from Problems 3 and 4 if sales actually increase 20% but the average inventory rises to $325,000
Genuine Reproductions (GR) from Problem 3, plans on increasing next year's sales by 20% while maintaining its same average inventory in dollars. (a) Calculate the expected inventory turnover for next
Joe, the owner of Genuine Reproductions (GR), a com- pany that manufactures reproduction furniture, is interested in measuring inventory effectiveness. Last year the cost of goods sold at GR was
Yasuko's Art Emporium (YAE) ships art from its studio lo- cated in the Far East to its distribution center located on the West Coast of the United States. YAE can send the art either via transoceanic

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