How can i organize this PDM diagram from PMStudy free exam?

PMP Fighter's picture

I have attach the diagram image,

The question is
What is the slack of task 5?

But why there is two activity also named "5" ???

AttachmentSize
Image icon T4a.jpg16.29 KB

Its simple.. pls draw the AON diagram ur self.. Kindly note that Activity 5 has two predecessor ( activity 3 and 4 ).. Clear ?