Use the information contained below to compress one-time unit per move using the least cost method. Reduce the schedule until you reach the crash point of the network. For each move identify what activity(s) was crashed and the adjusted total cost. Note crash time refers to the amount of time it will take to complete the activity after crashing.
Activity ID	Predecessor(s) Activity	Normal time	Normal cost	Crash Time	Crash Cost
A	None	5	50	4	80
B	None	3	60	1	180
C	A	4	70	4	70
D	A	2	50	1	60
E	B	5	100	2	280
F	C	2	90	1	190
G	D	5	50	4	80
H	E	2	60	2	60
I	F, G, H	3	200	2	400
Total direct normal costs			$730