Given the following information regarding a project:

Activity

Duration

Predecessors

a

$2$

None

b

$3$

None

c

$2$

a

d

$4$

a$,$ b

e

$4$

c

f

$3$

c

g

$5$

d$,$ e

h

$2$

f$,$ g

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$7.$ Which of the following is NOT a path in the network?

Answer$$

a$-$c$-$f$-$h

a$-$c$-$e$-$g$-$h

a$-$d$-$g$-$h

b$-$d$-$g$-$h

b$-$d$-$e$-$h

$$

$8.$ What is the critical path?

a$-$c$-$f$-$h

a$-$c$-$e$-$g$-$h

a$-$d$-$g$-$h

b$-$d$-$g$-$h

b$-$d$-$e$-$g

$$

$9.$ How long will it take to complete the project?

$4$

$9$

$10$

$13$

$15$

$$

$10.$ What is the LS for activity a$?$

$0$

$1$

$3$

$4$

$5$

$$

$11.$ What is the LF for activity f$?$

$10$

$13$

$15$

$19$

$$

$12.$ What is the EF for activity g$?$

$7$

$8$

$10$

$13$

$15$

$$

$13.$ What is the LF for activity h$?$

$7$

$8$

$10$

$13$

$15$