Activity

A

B

C

D

E

F

Activity Predecessor

$---$

Time $($weeks$)$

A

A

B

C

$5$

$8$

$3$

$7$

$6$

D$,$ E

$10$

Using Table $9\mathrm{.}1,$ the critical path for this project consists of activities

A$-$B$-$D$-$F$.$

O A$-$C$-$E$-$F$.$

A$-$B$-$C$-$F$.$

A$-$B$-$C$-$D$-$E$-$F