1. A project is being analyzed with below activities identified. Activities A and B start on day 0.

Activity	Duration (Days)	Immediate Predeccesors
a. organize layout team	3
b. organize modification team	6
c. design personnel jobs	6	a
d. set machinery in place	4	b
e. connect utilities	7	c,d
f. modify conveyor system	4	e
g. train personnel	5	e
h. finishing touches	4	f
i. run test lot	3	g

1. Find ES, EF, LS, LF, and Slack values all activities.

Activity	ES	EF	LS	LF	Slack
a	0	3	1	4	1
b	0	6	0	6	0
c	3	9	4	10	1
d	6	10	6	10	0
e	10	17	10	17	0
f	17	21	17	21	0
g	17	22	17	22	0
h	21	25	21	25	0
i	22	25	22	25	0

1. What is (are) the critical path(s)? b-d-e-f-h & b-d-e-g-i
2. What is expected project duration? The expected project duration is 25 days
3. If activity A is delayed by 1 day, what is new expected project duration?

4. If activity D is delayed by 1 day, what is new expected project duration?

already did most of it, just need help with 3 AND 4. also a check up on the other work would be appreciated