Crashed Cost perPrecedingActivityNormal CompletionTime (week)Crashed Completiontime (week)6.Activityweek$500$400$500$700$600$500$800AA6.108.В, С9.8.ED5.4FE76.D10i.Draw the network diagram linking all the activities in a way that it shows if there exist anypreceding activity/activities before starting each of the mentioned activities in the abovetableii.Showing the earliest start time, the earliest finish time, the latest start time and the latestfinish time of each of the activities in the project determine the completion time of theproject and the critical path.ii.Find the slack time (delay time) of each of the activities, the critical and the non-criticalactivities.iv.Find the minimum possible completion time of the project by considering the crashedcompletion times and the minimal total cost of that crashing the project.V.Highlight the critical and non-critical activities of the finally completed project by taking intoaccount the crashed times of activities.

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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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Relevant information for a project consisting of activities A, B, ..., K is provided in the table below and the project network is provided. Activity Time in Weeks Immediate Predessors A 2 ΝΑ B C D E F G H I J K 7 7 6 2 2 7 7 2 6 5 The project network is: ΝΑ A, B C с E C D, F, G D, F H I, J What is the minimum number of weeks that the project can be completed in (i e. the duration of the critical path)?
K Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity times: Immediate Time Activity (weeks) Predecessor(s) Activity (weeks) ITI A A A B C D Time 5 6 2 2 Dave's earliest start (ES) and earliest finish (EF) are: Activity A E F G H ES EF 5 5 6 9 7 Immediate Predecessor(s) B B C, E D, F ncorre
Development of Version 2.0 of a particular accounting software product is being considered by Jose Noguera's technology firm in Baton Rouge. The activities necessary for the completion of this project are listed in the following table: Activity Normal Time (weeks) Crash Time (weeks) Normal Cost Total Cost with Crashing Immediate Predecessor(s) A 4 3 $2,100 $2,800 — B 2 1 $2,300 $3,100 — C 3 3 $600 $600 — D 8 4 $2,400 $2,680 A E 6 3 $1,000 $1,450 B F 3 2 $3,200 $4,600 C G 4 2 $1,400 $2,000 D, E Part 2 a) Based on the given information regarding the activities for the project, the project length = enter your response here weeks.
Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity times: Activity A B C D Time (weeks) 7 6 2 2 Dave's earliest start (ES) and earliest finish (EF) are: Time Immediate Predecessor(s) Activity (weeks) E 4 6 10 6 A A Activity A B ES 0 0 F G H EF 7 Immediate Predecessor(s) B B C, E D, F
Using the data given below, prepare an activity schedule (table)showing the ES, EF, LS, LF, and slack for each activity. (Table header- activity name, EST, EFT, LST.LFT, Slack)
Activities, preceding activities, normal and crashed completion times of each of the activities and crashed costs of activities per week of a project are given in the following table. Activity Preceding Activity Crashed Completion time (week) Normal Crashed Cost Completion Time (week) 7 per week A 7 6. 5 $500 $700 $600 $800 $400 C A 4 3 A, C В, D D, E D 9 E 10 9. F 9 II. Find the slack time of each of the activities and the critical activities. Find the minimum possible completion time of the project by considering the crashed completion times and the minimal total cost of crashing the project. iv.
Metro Food Services Company delivers fresh sandwiches each morning to vending machines throughout the city. The company makes three kindsof sandwichesham and cheese, bologna, and chicken salad. A ham and cheese sandwich requires a worker 0.45 minutes to assemble, a bolognasandwich requires 0.41 minutes, and a chicken salad sandwich requires 0.50 minutes to make. The company has 960 available minutes each nightfor sandwich assembly. Vending machine capacity is available for 2,000 sandwiches each day. The profit for a ham and cheese sandwich is $0.35,the profit for a bologna sandwich is $0.42, and the profit for a chicken salad sandwich is $0.37. The company knows from past sales records thatits customers buy as many or more of the ham and cheese sandwiches than the other two sandwiches combined, but customers need a variety ofsandwiches available, so Metro stocks at least 200 of each. Metro management wants to know how many of each sandwich it should stock tomaximize profit.If Metro…
The Industrial and Systems Engineering Department at Sun University is moving from its old building to a new building. The move must be completed within the 14-day period between semesters. A list of tasks (activities) has been prepared. The activities and precedence requirements are presented in the table below. Three time estimates (in days) are given for each activity: optimistic time, most likely time, and pessimistic time. (a) Perform a forward pass and backward pass through the network to determine the critical path, and the expected duration of the project (b) What completion time should the department specify in its proposal in order to be 85% sure that it will complete the project on time? Activity Activity description Immediate predecessor Optimistic time (days) Most likely time (days) Pessimistic time (days) 1 Initiate move - 0 0 0 2 Prepare new building space 1 2 4 6 3 Pack faculty files and books 1 3 4 5 4…
A project consisting of the following activities: Activities predece.Activities day TE M K J H G E C B G KJ G I,F D D E,C B,A| B,A A 1 3 4 6. 5 2 3 9 6 2 4 3 5 1- Draw the network diagram of the project 2- Calculate (Es) and (Lc) the project events 3- Select the critical path 4 - What is the minimum time required to complete the project?
Charlie Cook was able to determine the activity times for constructing his chemical contaminant tracking machine. Cook would like to determine ES, EF, LS, LF, and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity times: Q Activity Time (weeks) Immediate Predecessor(s) Activity Time (weeks) Immediate Predecessor(s) A B C D 7 8 2 1 Charlie's earliest start (ES) and earliest finish (EF) are: A A Activity A EFGH ES EF 7 5 7 11 8 B B C, E D, F
Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity times: Activity A B с D Time (weeks) 5 8 2 1 Immediate Predecessor(s) A A Dave's earliest start (ES) and earliest finish (EF) are: Activity A Activity EFGH ES Time (weeks) 3 EF 5 5 10 7 Immediate Predecessor(s) B B C, E D, F
U2

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