Consider the following project activities

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 https://www.youtube.com/watch?v=WHkf4bE5MrE&list=PL1DBEEECCF25DD5B0


Consider the following project activities:

Activity    Duration (Days)    Predecessors
A    3    None
B    2    None
C    6    A
D    1.5    A,B
E    2.5    C,D
F    3.5    D
G    4    E,F

Draw the project network diagram, identify all the paths through the network and their strengths, and identify all the critical activities and path(s).  How long will the entire project take?