The diagram in Figure 1 was developed for the project launch of Kitty Condo, a new product in the luxury cat cage market. Suppose that you, as project manager, are interested in finding ways to speed up the project at minimal additional cost. Determine the schedule for completing the project in 25 days at minimum cost. Penalty and project-overhead costs are negligible. Time and cost data for each activity are shown in Table 1.

Figure 1 Network Diagram for Kitty Condo

TABLE 1
PROJECT ACTIVITY AND COST DATA

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Start Finish NORMAL CRASH Activity Time (days) Cost ($) Time (days) Cost ($) A 12 1,300 11 1,900 13 1,050 1,500 18 3,000 16 4,500 2,000 5 3,000 12 650 10 1,100 700 1,050 G 8. 1,550 1,950 ш