Business Data Analytics HW

Learning Goal: I’m working on a data analytics case study and need an explanation and answer to help me learn.

Project Scheduling. A construction contractor is responsible for a project with seven key tasks. Some of the tasks can begin at any time, but others have predecessor tasks that must be completed previously. The individual tasks can be carried out at standard times or they can be expedited (“crashed”). The cost of executing the task increases by a certain cost per day if its time is shortened. The following table shows the information describing the tasks of the project, their standard and minimum times (in days), their standard costs, the crashing cost per day shortened, and the predecessor(s):

The chart is attached in the pdf file below, please go check it out.

Question: The project has a deadline of 40 days, which the contractor is committed to meet. a. If no crashing is done, how long will the project take and what will be its cost? b. Which activities should be crashed to achieve the least-cost schedule that meets a 40-day deadline? What is the difference between its cost and the cost in part (a).


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