Five customers brought in computers to be repaired to a small shop. Estimated repair times (in days) and dates promised are given below. Due dates were set based on available technicians; however, one technician had a medical emergency and will beunavailable for at least two weeks so processing times were adjusted.Customer job 1Processing time(days)Due date (days)6Use the EDD rule and compute the start time, flow time, lateness, and tardiness for each job. Use minus sign to enter negative lateness values, if any. If your answer is zero, enter "0".Sequence Start Time, days Flow Time, days Lateness, daysTardiness, days-Select--Select--Sclect.-Select--Select-UI5LITE10MA

Early Due Date (EDD) is a scheduling rule that is used by the organization to sequence jobs in…

Answered: ve customers brought in computers to be…

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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Calculate the Critical Ratios (CR): (Enter all responses rounded to two decimal places.) The following 5 overhaul jobs are waiting to be processed at Avianic's Engine Repair Inc. These jobs were logged as they arrived. All dates are specified as planning calendar days. Job CR 103 Job Due Date Duration (days) 103 214 10 205 223 7 309 217 11 412 219 5 517 217 15 Assume that all jobs arrived on day 180; today's date is 200.
To control queue and make deadlines, two things are essential: must schedule and plan carefully , what are these ?
The following 5 overhaul jobs are waiting to be processed at Avianic's Engine Repair Inc. These jobs were logged as they arrived. All dates are specified as planning calendar days. Calculate the Critical Ratios (CR): (Enter all responses rounded to two decimal places.) Job CR Job Due Date Duration (days) 103 103 214 10 205 205 223 309 309 217 11 412 219 412 517 216 15 517 Assume that all jobs arrived on day 180; today's date is 200.
Glenn Dental Clinic provides general dental care to residents of Philadelphia on a walk-in basis. The clinic has started receiving complaints from patients that the waiting time is too long and has asked you to investigate whether this problem can be solved. 1 Upon arrival, customers first receive a series of paperwork from the receptionist and fill out relevant information such as personal health records and insurance provider. The form is then handed back to the receptionist who enters the information into the computer system for the dentist to see. A dental assistant then takes an X-ray from the patient. A dentist then performs the checkup and discusses any issues with the patient. Based on conversations with staff members at the clinic, you have obtained the following information on the process: • It takes about 5 minutes for a customer to fill out the paperwork. • Entry of information on the paperwork into the system and verification with past records takes another 5 minutes for a…
The following jobs are waiting to be processed at JulieMorel’s machine center:JOB DATE ORDER RECEIVED PRODUCTIONDAYS NEEDED DATE ORDER DUEA 110 20 180B 120 30 200C 122 10 175D 125 16 230E 130 18 210 In what sequence would the jobs be ranked according to the fol-lowing rules: (a) FCFS, (b) EDD, (c) SPT, and (d) LPT? All dates are according to shop calendar days. Today on the planning cal-endar is day 130, and none of the jobs have been started or sched-uled. Which rule is best?
What are the advantages and disadvantages of the shortest processing time (SPT) rule?
HELP! Corporation's management keeps track of the time it takes to process orders. During the most recent month, the following average times were recorded per order. Days Wait time 15. 6 Inspection time 0.8 Process time 1.6 Move time 0.7 Queue time 3.9 Required: A. Compute the delivery cycle time in days B. Compute the Percentage of manufacturing cycle time spent on non-value-added activities
The following jobs are waiting to be processed at a small machine center. JOB 10 20 30 40 50 DUE DATE 260 256 260 265 275 DURATION (DAYS) According to the LPT rule, the sequence of jobs should be 10, 50, 40, 20, 30 b) What is the average completion (flow) time? The average completion (flow) time is 62.8 days (round your response to one decimal place) c) What is the average job lateness? The average job lateness is 11.0 days (round your response to one decimal place). d) What is the average number of jobs in the system? The average number of jobs in the system is jobs (round your response to one decimal place). 28 12 8 18 22 D Points: 2 of 4 All dates are specified as manufacturing planning calendar days. Assume that all jobs arrived on day 200 (yesterday) in the order shown but are not scheduled to begin until day 201 (today). a) Sequence the jobs according to LPT
Ann Elkin, who works for Brill Co. has been sent out to conduct two customer evaluations, which have gone much more quickly than Ann anticipated. Her supervisor does not expect Ann back until alter lunch. It Is now 10:30 A.M., and Ann would like to run some personal errands and then go to lunch before returningto work at 1:00P.M. Should Ann take the time? Would you? Why or why not? Is this any different than if Ann was sitting at her office desk using a work computer to access her personal email, surf the internet, check social media or make personal phone calls on her work phone?
1/ Katie Posh runs an upscale nail salon. The service process includes five activities that are conducted in the sequence described below. (The time required for each activity is shown in parentheses):Activity 1: Welcome a guest. (1 minute)Activity 2: Clip and file nails. (3 minutes)Activity 3: Paint. (5 minutes)Activity 4: Dry. (10 minutes)Activity 5: Check out the customer. (4 minutes)Three servers (S1, S2, and S3) offer the services in a worker-paced line. The assignment of tasks to servers is the following: S1 does Activity 1. S2 does Activities 2 and 3. S3 does Activities 4 and 5. The drying process does not require server 3’s constant attention; she/he needs to only escort the customer to the salon’s drying chair (equipped with fans for drying). The time to do this is negligible. There exists only one drying chair in the salon.a. What is the utilization of server 2 (in decimal form)? Assume that there is unlimited demand and that the process only admits customers at the rate of…
The journal entry process requires the review, approval and input of a company's business transactions in the General Ledger. In one firm, transactions arrive to be entered in the Ledger at an average rate of 10 hour. The following table provides information about the process. Only one person is needed to perform each step. Process Step Review Approve Input Avg. Time to Perform Step (per entry) 3 min 5 min. 0.5 min a. i) Find the capacity of the process and identify the bottleneck step. ii) Find the raw process time. iii) Find the throughput of the process. b. On average, there are 8 transactions in process." How long, on average, does a transaction spend in the system? Number of Personnel Available 2 2 1 c. Up to now, two full-time managers have been responsible for approving entries. The firm is experimenting with a computerized approval process. The computer program runs in batch mode at the beginning of each 8-hour day, and is completed almost instantly. Transactions continue to…
TABLE 18.21 Processing Time for Eight Projects, Displayed in the Sequence They Arrived Project P1 P2 P3 Р4 P5 P6 P7 P8 Processing time (hours) 4 1 0.5 2 3 6 1 ..... 1. Given the projects displayed in Table 18.21, if FCFS is used to sequence the jobs, what is the average flow time of the projects (in hours)? 2. Given the projects displayed in Table 18.21, if SPT is used to sequence the jobs, what is the average flow time of the projects (in hours)?

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