**For the following problem, assume that the durations are given in weeks and the required completion time is 25 weeks.

a. Draw a network diagram using the activity-in-the-box format using the information provided below (see sample boxes highlighted in yellow below use this format ONLY). Also show the ES, LS, EF, and LF times for each activity (on the diagram). Format counts!

B. Input the ES, EF, LS, LF and slack time for each activity in the table below

SHOW CALCULATIONS UNDER THE TABLE (INCLUDE FORMULAS)!

Activity	Duration	Predecessor	ES	EF	LS	LF	Total Slack
1. A	2	---
2. B	5	1
3. C	3	1
4. D	3	2
5. E	7	2,3
6. F	2	4,5
7. G	6	6
8. H	2	7

c. List ALL OF the activities that comprise the critical path.

d. List the activity or activities, if any, that has/have a potential for free slack.

KEr