Draw a project network from the following information:
Activity Predecessor Duration
a none 2
b a 4
c a 3
d a 2
e b 3
f c 6
g c d 5
h e f 6
i g 5
j h i 5
Activities b and h can be shortened to a minimum of 2 weeks. Which activity would you shorten to reduce the project duration by 2 weeks? WHY? Must show critical path.