edkcesAlan Industries is expanding its product line to include three new products: A, B, and C. These are to be produced on the sameproduction equipment, and the objective is to meet the demands for the three products using overtime where necessary. The demandforecast for the next four months, in hours required to make each product is:PRODUCTABCAPRIL850650750Regular timeOvertimeMAY650750550Because the products deteriorate rapidly, there is a high loss in quality and, consequently, a high carrying cost when a product is madeand carried in inventory to meet future demand. Each hour's production carried into future months costs $3 per production hour for A,$4 for B, and $5 for C.Objective valueJUNE850950750Production can take place either during regular working hours or during overtime. Regular time is paid at $4 when working on A, $5for B, and $6 for C. The overtime premium is 50 percent the regular time cost per hour.The number of production hours available for regular time and overtime isAPRIL1,550750JULY1,2501,050900MAY1,360700JULY2,0001,000Calculate the objective value using Excel Solver. (Do not round intermediate calculations.)< PrevJUNE1,8509503 of 4wwwwwwNextChec

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Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter12: Queueing Models

Section: Chapter Questions

Problem 59P

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Personnel Planning; TDABC Recent competitive pressures have caused National InsuranceCompany to examine policies regarding personnel planning. As a start, the company has decided toexperiment with and develop a time-driven ABC model for its claims processing center.A study of this support center indicates the following three primary activities: remote processingof customer claims, 0.5 hour; onsite processing of customer claims, 1.0 hour; and updating/maintaining customer records, 0.2 hour. Onsite processing is required for larger claims, while remote processing is done for smaller claims. (For onsite processing, assume—for simplicity—that the claimsprocessors use their own automobiles.) All claims will require that the customers’ records be updated.The claims processing center currently employs three full-time employees. Total annual cost ofthe center (salaries, depreciation, utilities, etc.) is estimated at $255,000. The net amount of availablepersonnel time per year for this…
How would you manually write a mathematical model this?
Satomi w eks in a research facility that provides statistical results for the bioengineering firm TechCure. She is one of four interns expected to go through hendreds of samples per day. At her first week on the job, ber supervisor informs her that all blood sammples are to be completely anonymous. No testing can be done if personal information is revealed-meaning, the samples must be properly disposed of if opened, or veturned to the plysicians if unopened to be re- Aonymized. For the first five weeks, most of the new interns follow procedwes to check that samples were anonymized before testing occurred. However, one of the interns, Max, failed to verify whether the samples were anonymized. Halfway through the testing, Satomi discovers the non-anonymized samples. She considers whether they should tell their supervisor, but the other interns ask ber not to speak up so that they won't pet in trouble. of the interas argues that as long as they remove the information from the…
2. Jamila wants to set up a manufacturing unit, so she meets with Rashid, a humanresource manager at her company. Rashid explains that in order to decide on thehuman resource needs for the unit, they should conduct a workflow analysis. Shesuggests they start by defining the outputs of the process. To do this, what shouldJamila define?A) the processes that will be involved in manufacturingB) the number of people required for productionC) the type of products that will need to be manufacturedD) the special equipment, facilities, and systems needed for productionE) the data and information needed by the work unit
The following are the car repair shop data: Ticket No. Work Ticket No. Work Ticket No. Work 1 Tires 11 Lube & oil 21 Lube & oil 2 Brakes 12 Lube & oil 22 Tires 3 Tires 13 Tires 23 Lube & oil 4 Brakes 14 Brakes 24 Lube & oil 5 Tires 15 Transmission 25 Lube & oil 6 Lube & oil 16 Battery 26 Tires 7 Brakes 17 Lube & oil 27 Battery 8 Brakes 18 Lube & oil 28 Lube & oil 9 Lube & oil 19 Brakes 29 Brakes 10 Battery 20 Lube & oil 30 Tires Click here for the Excel Data File Problem 9-1 Part a (Algo) a. Prepare a check sheet for the above car repair shop data:
4. The Spencer Optics Company produces an inexpensive line of sunglasses. The manufacturing process consists of assembling two plastic lenses (produced by the firm's plastic molding depart- ment) into a finished frame (purchased from an outside supplier). The company is interested in using material requirements planning to schedule its operations and has asked you to prepare an example to illustrate the technique. The firm's sales manager has prepared a 10-week sales forecast for one of the more popular sunglasses (the Classic model) for your example. The forecast is 100 units per week. Spencer has customer orders of 110 units, 80 units, 50 units, and 20 units in weeks 1, 2, 3, and 4, respectively. The sunglasses are assembled in batches of 300 units. Presently, three such batches are sched- uled: one in week 2, one in week 5, and one in week 8. Complete the following time-phased record: Week hand 1 2 3 4 5 6 7 8 9 10 Classic Model On MPS Record Forecast Orders Projected available…
Tribal Systems, Inc., is opening a new plant and has yet todecide on the type of process to employ. A labor-intensiveprocess would cost $10,000 for tools and equipment and $14 for labor and materials per item produced. A more au-tomated process costs $50,000 in plant and equipment but has a labor/material cost of $8 per item produced. A fullyautomated process costs $300,000 for plant and equipmentand $2 per item produced. If process selection were basedsolely on lowest cost, for what range of production wouldeach process be chosen?
The manager of Roth Corporation, wants to determine whether or not the type of work schedule for her employees has any effect on their productivity. She has selected 15 production employees at random and then randomly assigned 5 employees to each of the 3 proposed work schedules. The following table shows the units of production (per week) under each of the work schedules. Work Schedule (Treatments) Schedule 1 50 60 70 40 45 Compute MSTR MSTR- 95 94.68 128.166 3.8856 Schedule 2 60 65 65 58 57 Schedule 3 75 75 55 40 55
Consider a law firm with 15 lawyers and 3 paralegals. The firm is struggling to keep up with the high demand for its services, particularly during the busy litigation seasons. It has been observed that the lawyers spend a significant amount of their time on administrative tasks that could potentially be handled by paralegals. After a careful study of the work distribution within the firm, it was determined that 35% of the activities carried out by the lawyers are administrative in nature. Given that each lawyer works 50 hours a week, please determine: (a) How many additional paralegals should the firm hire to handle the administrative tasks currently performed by the lawyers? (b) If the lawyers' time spent on administrative tasks is redirected to billable legal work, by what percentage could the firm potentially increase its billable hours?
Manufacturers Inc. (MI) currently has a labor force of 10, which can produce 600 units per period. The labor cost is now $5000 per period per employee. The company has a long-standing rule that does not allow it to make use of any overtime. In addition, the product cannot be subcontracted, due to the specialized nature of the machinery that MI uses to produce it. As a result, MI can only increase/decrease production by hiring or laying off employees. The cost is $10000 to hire or lay off an employee. Inventory carrying costs are $200 per unit for any unsold items at the end of the period. The inventory level at the beginning of period 1 is 400 units. The forecast demand is 700 in period 1,600 in period 2,450 in period 3, 250 in period 4,500 in period 5, and 550 in period 6. a.) Compute the costs of the Chase Demand Strategy. b.) Compute the costs of the Level Strategy c.) Compare the costs of the two strategies. Which one is superior?
Manufacturers Inc. (MI) currently has a labor force of 10, which can produce 600 units per period. The labor cost is now $5000 per period per employee. The company has a long-standing rule that does not allow it to make use of any overtime. In addition, the product cannot be subcontracted, due to the specialized nature of the machinery that MI uses to produce it. As a result, MI can only increase/decrease production by hiring or laying off employees. The cost is $10000 to hire or lay off an employee. Inventory carrying costs are $200 per unit for any unsold items at the end of the period. The inventory level at the beginning of period 1 is 400 units. The forecast demand is 700 in period 1,600 in period 2,450 in period 3, 250 in period 4,500 in period 5, and 550 in period 6. a.) Compute the costs of the Chase Demand Strategy.
The management of Hartman Company is trying to determine the amount of each of two products to produce over the coming planning period. The following information concerns labor availability, labor utilization, and product profitability: Labor-Hours Required Department A B с (hours/unit) Product 1 Product 2 Hours Available Production 1.00 0.30 Profit contribution/unit $30.00 0.20 38.27 0.35 0.20 0.50 $15.00 (a) Develop a linear programming model of the Hartman Company problem. Solve the model to determine the optimal production quantities of products 1 and 2. If required, round your answer to two decimal places. Product 1 Product 2 69.77 M 95 72.09 38 50 (b) In computing the profit contribution per unit, management does not deduct labor costs because they are considered fixed for the upcoming planning period. However, suppose that overtime can be scheduled in some of the departments. Which departments would you recommend scheduling for overtime? Dept A What is the upper limit of what…

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