Answer:
The answer and procedures of the exercise are attached in the two images below.
Step-by-step explanation:
Ref Image 1
Critical Path : B -> C -> E -> F
Project Completion time : 11 days
The activity with more slack : D - 7 days
The other wedding activities
G -> Buy wedding dress
H -> Print wedding invitation
I -> Call Guests
Refer image2 for the new network