What is the total crashing cost? $ week(s) (Enter your response as a whole number.)
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- A group of developers is building a new shopping center. A consultant for the developers has developedthe following table of activities, durations and predecessors. Determine the earliest start times andfinish times, latest start and finish times, activity slack, critical path and duration for the project. Thereis a Bonus for finishing the project at 90% of the projected date. The bonus for early completion is$50,000. Which activities should be crashed, if the cost for 1 week reduction, for any activity, is $3500per week, and what is the total cost of crashing? And, Net Bonus, if any.I need a detailed explanation and assistance to solve the this problem: A company decides to plan a project, with activities, precedences and deterministic durations given in the following table: Activity i Duration (days) Immediate Predecessors A 32 none B 21 none C 30 none D 45 A E 26 A, B F 28 C G 20 E, F a) What method should be used? Using only one pseudo-activity, draw the project network, with arcs labeled by the activity name and duration. b) Compute and display in a table the earliest and latest starting and finishing times, as well as slack, for each activity, and identify the critical path(s). C) Draw a Gantt chart of the schedule, based on earliest starting times d) Which activities must be completed by day 60 to ensure that the project is not delayed?Given the following project: Activity Predecessor Normal Time (day) Normal Cost ($) Crash Time (day) Crash Cost ($) A - 4 800 2 1300 B - 10 1200 7 2400 C A 6 1100 4 1700 D A,B 7 1000 4 1600 E C 10 2000 8 3000 F C,D 5 900 - - (a) Draw the network and find the critical path duration of the project, total cost of project using normal times. (b) Calculate the maximum time reduction and crash cost-per-day (all activities may be partially crashed) for each activity. Then fill the table below. (Note: Activity “F” cannot be crashed) Activity Maximum Time Reduction (day) Cost to Crash per Period ($/day) A B C D E F (c) Find the optimal way of getting a 20-day delivery time. What is the project cost? (d) Find the optimal way of getting a 18-day delivery time. What is the project cost?
- A Company is in the process of preparing a budget for launching a new product. The following table provides the associated activities and their durations. Construct the project network and identify the critical path and its duration. Activity Predecessors Duration(wks) A: forecast sales volume - 10 B: study competitive market - 7 C: design item and facilities A 5 D: prepare production schedule C 3 E: estimate cost of production D 2 F: set sales price B,E 1 G: prepare budget E,F 14 (4) A project consists of the following activities, with the duration, in weeks, of each activity given in brackets. A(6), B(4) and C(7), the first activities of the project, can be executed concurrently. A and B precede D(2). B precedes E(1), F(5) and H(8). F and C precede G(3). E and H precede I(2) and J(4). C, F and J precede K(2). K precedes L(4).D, I, G and L are the terminating activities if the project. Construct the precedence table, and hence draw the network for the project Determine the critical…9. A project has the following activities, with specified precedents, expected durations (in days), and crash cost/day. Each activity can be crashed to a minimum duration of 1 day. (This is the same network as a previous problem.) What is the minimum total cost to shorten the project by 2 days? Round your answers to 2 decimals. Activity Precedent Duration Crash cost/day A - 3 $350 B A 3.8 $250 C A 6 $400 D B 6 $150 E B 4.1 $200 F C 4 $275 G D 6.2 $500 H E 8 $300 Answer:The estimated times and immediate predecessors for the activities in a project a t George Kyparis's retinal scanning company are given in the following table. Assume that the activitytimes are independent. a) Calculate the expected time and variance for each activity.b) What is the expected completion time of the critical path?What is the expected completion time of the other path in the network?c) What is the variance of the critical path? Wha t is the variance of the other path in the network?d) If the time to complete path A-C is normally distributed, what is the probability that this path will be fini shed in 22 weeks or less?e) If the time to complete path B- D is normally distributed, what is the probability that this path will be finished in 22 weeks or less?f) Explain why the probability that the critical path will be finished in 22 weeks or…
- Your hospital has applied for certification as a level 1 stroke center. It is critical that the following project is completed in 18 weeks, before the next Joint Commission survey. Project activity times are listed in the table attached as an image. Determine the minimum cost-schedule for this project to be completed in 18 weeks. Assume a linear relationship between crash cost and crash time. For example, crash cost per week for activity A can be calculated as: ($650 - $200)/(4-2) = $225. 2. What is the difference in total project costs between the earliest completion time of the project using normal times and the minimum cost-schedule you found in part 1?Doug Casey is in charge of planning and coordinating next spring’s sales management training program for his company. Doug listed the following activity information for this project: A. Draw a project network. B. What are the critical activities and what is the expected project completion time? C. If Doug wants a 0.99 probability of completing the project on time, how far ahead of the scheduled meeting date should he begin working on the project?Please assist in detailed explanation on the following question in Project Scheduling: 1) - A company decides to plan a project, with activities, precedence and deterministic durations given in the following table: Activity i Duration (days) Immediate Predecessors A 32 none B 21 none C 30 none D 45 A E 26 A, B F 28 C G 20 E, F Questions: 1.1) What method should be used? Using only one pseudo-activity, draw the project network, with arcs labeled by the activity name and duration. 1.2) Compute and display in a table the earliest and latest starting and finishing times, as well as slack, for each activity, and identify the critical path(s). 1.3) Draw a Gantt chart of the schedule, based on earliest starting times 1.4) Which activities must be completed by day 60 to ensure that the project is not delayed?
- The estimated times and immediate predecessorsfor the activities in a project at George Kyparis’s retinal scan-ning company are given in the following table. Assume thatthe activity times are independent. a) Calculate the expected time and variance for each activity.b) What is the expected completion time of the critical path?What is the expected completion time of the other path inthe network?c) What is the variance of the critical path? What is the vari-ance of the other path in the network?d) If the time to complete path A–C is normally distributed,what is the probability that this path will be finished in22 weeks or less?e) If the time to complete path B–D is normally distributed,what is the probability that this path will be finished in22 weeks or less?f) Explain why the probability that the critical path will befinished in 22 weeks or less is not necessarily the probabil-ity that the project will be finished in 22 weeks or less.Problem 2: Chicago Project You are asked to manage an upcoming project for a client based in Chicago. Your supervisor, Susan, asked you to determine if the project will be completed in 2 months (60 days). Susan sent you the estimated time durations (in days) for the project. The information is given below: 4. Your supervisor was told that the client would like to complete the project in 56 days. Which path in the project network has the greatest risk of running over this new deadline of 56 days? 5. Prepare a report for Susan regarding your findings. Include your recommended strategy to finish the project in the least possible time.You have collected the data for a Time-Cost CPM Scheduling model analysis. The time is in days and the project "direct costs" are given below. Immediate Normal Crash Normal Crash Activity Predecessor Time Time Cost (Direct) Cost (Direct) A None 3 2 $300 $408 B A 3 3 $100 $100 C A 1 1 $200 $200 D B and C 3 2 $400 $550 E D 2 1 $500 $900 F E 3 3 $200 $200 G F 2 2 $200 $200 The indirect costs for the project are determined on a daily duration basis. If the project lasts 16 days the total indirect costs are $408, 15 days they will be $350, 14 days they will be $200, and 13 days they will be $100. If you crash this project by one day what is the total (i.e., direct and indirect) project cost?