A project manager wanted to reduce eight weeks from the projected completion time of the GTR Project in Jakarta, indonesia.

1. Fill in the blanks and based on information provided in the table, answer all questions:

Activity	Predecessor	Normal Time	Normal Cost ($)	Crash Time	Crash Cost ($)	Time Reduction	Crashing Cost Per Week ($)
A	-	2	12,000	5	13,000
B	-	5	50,000	7	64,000
C	-	1	4,000	5	7,000
D	B	10	16,000	12	20,000
E	A,D	3	125,000	15	200,000
F	C	6	10,000	9	16,000
G	E,F	8	500,000	9	530,000
Totals		-			-

2.Calculate the activity slacks and determine which activities are on the critical path:

Activity	Earliest Start	Latest Start	Earliest Finish	Latest Finish	Slacks	Critical Path

3. Why is it important for managers to know where the slack is in their projects?

4. Draw the gantt chart for the new duration.