Develop an AON project network in Microsoft Excel using the table below. Complete the forward and backward pass, compute activity slack, and identify the critical path. How many days will the project take?

ID	Description	Predecessor	Duration (Days)
A	Contract Signed	None	1
B	Survey designed	A	6
C	Target market ID	B	3
D	Data collection	B,C	12
E	Develop presentation	B	3
F	Analyze results	D	10
G	Demographics	C	5
H	Presentation	E,F,G	1