Using the FCFS rule for scheduling, the sequence isSunny Park Tailors has been asked to make three differenttypes of wedding suits for separate customers. The tablebelow highlights the time taken in hours for cutting andsewing (process 1) and delivery (process 2) of each of thesuitsTimes Taken for Different Activities (hours)Cut and SewSuit123745Deliver236Assume that orders for suits have been listed in the abovetable in the order in which they were received.C

Answered: Using the FCFS rule for scheduling, the…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Eighty units of end item E are needed at the beginning of week 6. Three cases (30 units per case) of Jhave been ordered and one case is scheduled to arrive in week 3, one in week 4, and one in week 5.Note: J must be ordered by the case, and B must be produced in multiples of 120 units. There are 60 unitsof B and 20 units of J now on hand. Lead times are two weeks each for E and B, and one week for J.E a. Prepare a material requirements plan for component J.b. Suppose that in week 4 the quantity of E needed is changed from 80 to 70. The planned-order releasesthrough week 3 have all been executed. How many more Bs and Js will be on hand in week 6?
3) to final assembly for an important customer order. Currently, all eight jobs are in department X and must be routed to department Y after processing. The processing times (in days) for each job in each department follow: The machine shop of Reliable Manufacturing has to schedule eight jobs that are to be sent Dept/Job Dept. X Dept. Y A B C D E F G H 2 4 7 5 4 10 3 3 8 2 6 5 Develop two schedules for operations in both departments. For your first schedule, use the SPT priority rule (based on X). Your second schedule should be based on Johnson's Rule. Compare the two schedules using average flow time, makespan, and average WIP inventory. Use a Gantt chart to display your schedules (i.e. a timeline).
Three jobs are ready for processing at time zero through a workstation. The details regarding the processing time and the due date of completion is provided in the following table. Job Processing Time (days) Due Date A 2 8 B 6 6 C 5 13 Using the earliest due date (EDD) rule, the average tardiness of the five jobs is:
74) Which of the following is not an example of a governance mechanisms that is external to the firm? The treat of takeovers Stock ownership structure Shareholder activism Managerial labor market
Alvis Construction Supply Company has a department that manufactures wood trusses (wood frames used in the construction industry). The following information is for the production of these trusses for the month of February: Work-in-process inventory, February 1 4,300 trusses Direct materials: 100% complete $ 10,780 Conversion: 30% complete $ 15,558 Units started during February 18,300 trusses Units completed during February and transferred out 17,300 trusses Work-in-process inventory, February 29 Direct materials: 100% complete Conversion: 30% complete Costs incurred during February Direct materials $ 59,340 Conversion $ 92,392 Required Using the weighted-average method, calculate the following: 1-a. Costs per equivalent unit. (Round your answers to 4 decimal places.) 1-b. Cost of goods completed and transferred out. (Round "Cost per EU" to 4 decimal places. Round final answer to nearest whole dollars.) 1-c. Costs remaining in the…
Lala inc. produces disinfectants by mixing 2 chemical solutions in a machine to become a disinfectant solution (solution 1 and solution 2). Solution 1 is the first process which is carried out at workstation A for 0.5 minutes per solution then continued at workstation B for 0.2 minutes per solution. Then together solution 1 is mixed with solution 2 at workstation C for 0.8 minutes per solution. Workstations B and C are processed at workstation D for mixing together where the process is 10 minutes per solution until it becomes a disinfectant solution for sale to customers. a. Which workstations are the bottleneck? Explain with a picture of the workstation.b. What is the resulting time (throughput time) of the entire work system above?c. How much disinfectant solution can a company produce per hour?
Draw a schedule for a brief comparison in points between a convenience store and a supermarket in : Front, parking, checkout, shelving
An end item’s demand forecasts for the next 10 weeks are30, 30, 30, 30, 20, 20, 30, 30, 30, and 30 units. The current on-hand inventory is 100 units. The order policy is to produce inlots of 75. The booked customer orders for the item, startingwith week 1, are 15, 38, 7, 5, 0, 3, 10, 0, 0, and 0 units. The leadtime is 2 weeks.a. Develop an MPS for this end item.b. The marketing department has received five orders forthis item in the following sequence:Order 1 is for 20 units to be delivered in period 1Order 2 is for 75 units to be delivered in period 4Order 3 is for 90 units to be delivered in period 6 Order 4 is for 75 units to be delivered in period 7Order 5 is for 90 units to be delivered in period 10 Assuming that the prospective MPS you developed in part (a)does not change, which orders would you be able to acceptbased on the available to promise (ATP)?
Why is it important to integrate cost and schedule controls? Give an example for which separate cost and schedule control systems may not function properly.
Explain in simple terms the five (5) essential process scheduling policy factors that must be taken into consideration throughout the scheduling process.
What involves scheduling several different models of a product to be produced over a given day or week on the same line in a cyclical fashion?
Explain what is the purpose of the Gantt chart as a scheduling tools and discuss when do they use a Gantt chart instead of a network based method?

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