Considering the following data:

Activity	Preceding Activity	Estimated in Units
Start		0
D	Start	7
A	Start	9
F	D, A	10
E	D	11
G	F, E	7
B	F	11
H	G	13
C	H	7
M	H	12
N	G	8
P	F	10
End	C, B, M, N, P	0

Answer the following questions:

1. What is the duration of the critical path?

2. What is the float of activity B?

3. What is the float of activity E?

4. What is the float of activity D?

5. What is the float of activity N?

6. What is the closest duration path to the critical path?

7. Can a project have two critical paths? If so what does this do to risk for the project? Explain your answer.