Given the following information regarding a project:

Activity Duration Predecessors

a $4$ none

b $5$ none

c $5$ a

d $6$ a

e $5$ b$,$c

f $4$ d

g $5$ e

$1.$ Which of the following is NOT a path in the network?

a$-$d$-$f

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

b$-$e$-$g

b$-$f$-$g $($Correct$)$

$$

$2.$ What is the critical path?

a$-$d$-$f $($Wrong$)$

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

b$-$e$-$g

b$-$f$-$g

$$

$3.$ How long will it take to complete the project?

$4($Wrong$)$

$9$

$10$

$15$

$19$

$$

$4.$ What is the LS for activity a$?$

$0($Correct$)$

$1$

$3$

$4$

$5$

$$

$5.$ What is the LF for activity f$?$

$10($Wrong$)$

$14$

$15$

$19$

$$

$6.$ What is the EF for activity g$?$

$10($Wrong$)$

$14$

$15$

$19$

$20$