The table below gives the precedence chart for a project.

Activity	Precedes	Time (weeks)
A	-	8
B	-	3
C	A	7
D	A, B	3
E	C	4
F	D	6

1. The project completion time is

		a. 19 weeks.
		b. 11 weeks.
		c. 13 weeks.
		d. 17 weeks.
		e. indeterminate.

2.The critical activities of the above project are

		a. A, D, F.
		b. B, D, F
		c. A, C, E.
		d. A, B, E, F.
		e. A, C, E, F

3. Activity C

		a. is a critical activity.
		b. has some slack time.
		c. is a non-critical activity.
		d. has no slack time.
		e. is "a" and "d" only.