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?