consider the following table of activities that describe a project network without causing the critical path to be one noncritical or otherwise wasting money, what would be the second activity you would crash and how many days can you crash it
activity predecessor normal duration crash duration normal cost crash cost
a 5 3 1,000 4,000
b a 8 5 4,000 7,000
c a 7 4 2,000 4,000
d B,c 6 3 1,000 2,000
e B,c 9 5 5,000 8,000
f b,c 10 6 3,000 5,000
g d,e,f 5 4 2,000 5,000