You have signed a contract to build a garage for the Simpsons. You will receive a $500 bonus for completing the project within 30 working days. The contract also contains a penalty clause in which you will lose $100 for each day the project takes longer than 30 working days. Given the information below, complete the forward and backward pass, compute activity slack, and identify the critical activities.

ID	Description	Predecessor	Time (days)
A	Prepare site	None	4
B	Pour foundation	A	3
C	Erect frame	B	5
D	Roof	C	3
E	Windows	C	3
F	Doors	C	5
G	Electrical	C	3
H	Rough-in frame	D, E, F, G	4
I	Door opener	F, G	2
J	Paint	H, I	1
K	Cleanup	J	6

How many days will the project take?

The early start on Activity D is how many days?

The late start on activity E is how many days?

The slack on Activity E is how many days?

The slack on Activity F is how many days?

Do you expect to receive a bonus or a penalty on this project?