Q6. Using Table 1 on next page, what is the total number of activities that would have to be crashed to reduce the project to minimum duration? a) 5 b) 7 c) 8 d) 5 e) 17 f) None of the above Activity Crash Cost ($) Immediate Predecessor Normal Duration (days) 5 4 Normal Cost ($) 50 40 Crash Duration (days) 3 A 150 200 B 2 B 7 70 5 250 D 2 20 1 50 E A, C A, C B 5 125 525 1 7 F 10 80 290 G D 7 50 3 250 H E, F 6 60 3 180