Using the data given in the tables below:

1. Find the critical path and state its duration. (3 marks)

2. What is the normal cost for completing the project? (2 marks)

3. Determine the shortest time and the total cost of the project after crashing the activities to their shortest possible time, (10 marks)

TASK	DURATION (DAYS)	PREDECESSOR
A	5	-
B	4	A
C	6	B
D	2	B
E	7	C
F	4	C, D
G	5	E, F

TASK	NORMAL TIME (DAYS)	CRASHED TIME (DAYS)	NORMAL COST	CRASHED COST
A	5	3	$10,000	$12,000
B	4	2	$15,000	$20,000
C	6	2	$4,500	$9,300
D	2	1	$6,000	$12,000
E	7	4	$34,000	$40,000
F	4	2	$14,000	$20,000
G	5	2	$5,000	$26,000