The following example illustrates a project in which several strings of tasks ending with slack parallel the critical paths. When using only the Gantt chart critical path, this relationship is hard to track and to utilize for managing a project's execution.

A National Marketing and Sales Project

A company that manufactures machinery for light metal fabrication has developed a new piece of machinery and has planned a marketing/sales campaign to push the sale of this product. The major tasks are sales, marketing, advertising, and printing. The detail tasks and the scheduled duration of each task and interdependencies are shown in Table 7-2 and Figure 7-6.[1] (Note: There are some interdependencies of sub-tasks among the four major work ...

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