Based on the following table, calculate the ES, EF, LS, LF times and slack for each activity assuming an expected completion time of 145 weeks. Draw the project schedule, either AON, or AOA. Can the project still be completed on time? If necessary, identify the activities you would concentrate on to get the project back on schedule.

Activity Time Actual Finish Time Immediate Predecessor

A 15 15

B 20 45 A

C 40 65 A

D 20 85 B, C

E 10 D

F 10 E

G 25 F

H 20 F

I 15 G, H