Activity Immediate predecessors Normal time (days) Crash time (days) Normal cost Crash cost Crash cost per day

A - 4 3 1000 1300 300

B - 7 4 1400 2000 200

C - 5 4 2000 2700 700

D A 6 5 1200 1400 200

E B 3 2 900 1100 200

F C 11 6 2500 3750 250

G D, E 4 3 800 1450 650

H F, G 3 1 300 500 100

b.) . Based on the following table, determine the total project completion time and the critical path or paths for the project.

Activity	ES	EF	LS	LF	Slack time
A	0	4	2	6	2
B	0	7	2	9	2
C	0	5	0	5	0
D	4	10	6	12	2
E	7	10	9	12	2
F	5	16	5	16	0
G	10	14	12	16	2
H	16	19	16	19	0

c.) Crash this project for five days at the least cost. Explain why you select the crash activity/ies for each day that the project is crashed. For each stage (day) that the project is crashed, fill out the following table. If more rows are needed, please add them manually.