Consider the following table of activities A through G in which A is the start node and G is the stop node.

Activity	Duration (days)	Predecessor
A	5	--
B	8	A
C	7	A
D	6	A
E	9	B, C, D
F	10	B, C, D
G	5	E, F

On a piece of scratch paper, draw the network associated with this table and determine the following. What kind of activity is activity F?

a.

Burst activity

b.

Both critical activity and merge activity

c.

Merge activity

d.

Critical activity

e.

Non-critical activity