9 Planmatics is undertaking a modernization program. The set of activities in Table 16 has been defined for refurbishing one of its wave soldering machines.The AOA network is given in Fig. 5.

a. Find the critical path, total slacks, and free slacks.

b. Find the probability of completion within 45 days.

TABLE 16 Crash date Maximum possible Expediting cost Activity (days) (days) compression (days) per day ($)
A 6 2 0 —
B 2 0 1 50 C 12 3 2 80 D 8 1 2 175 E 7 2 1 100 F 16 4 0 —
G 23 2 1 100 H 25 5 3 300 I 4 1 1 1,000

c. Find the minimum cost increase to reduce the expected project duration by 1 day.

d. Find the minimum cost increase to reduce the expected project duration by 2 days.

e. Find the minimum project duration and the expected cost increase.

Transcribed Image Text:

C D G E Figure 15 AOA network for Exercise 9. H F 8