TOPIC: Network diagram

Dear Cornelius,

I am facing some problems with the N/w diagram bit. If I go by the way you explained the network diagram I am not able to draw the diagram correctly.

Problem 1:
In particular how to map the last 3 tasks in the Image 1.

Problem 2:
In the second image or Image 2 (embedded in word file) what as per you are the Late Start and Late Finish of Task 2 and Task 5.

I seek your help in getting this clarified.

Thanks & regards
Mukul