Activity	Preceding Activity	Normal Completion Time (week)	Crashed Completion time (week)	Crashed Cost per week
A	-	5	4	$500
B	A	6	5	$400
C	-	10	8	$500
D	B, C	9	8	$700
E	D	5	4	$600
F	E	7	6	$500
G	D	10	9	$800

1. Find the minimum possible completion time of the project by considering the crashed completion times and the minimal total cost of that crashing the project. Mark: 4
2. Highlight the critical and non-critical activities of the finally completed project by taking into account the crashed times of activities. Mark: 2