I need system managmnt solver for gant chart

Solve iii only

The following vacuum cleaner company is performing the feasibility study of launching a new product. The following information is gathered. This includes the product testing, manufacturing, cost estimation, marketing research,... The activities that make up the project are identified with their duration, their immediate predecessor, as well as the optimistic, most probable and pessimistic duration for each activity are summarised in the following Table 2. Please turn over Table 2: Information about the activities Part 1: Here consider first deterministic durations (i) Construct the corresponding network [5] (ii) Using CPM, determine the critical path and the total duration of the project. [10] (iii) Show the corresponding Gantt Chart and discuss how long some of the activities could be delayed without affecting your decision (eg; completing the project on time, consider activity G say)