Consider the following table of project information which can be used to create a network diagram.

Which of the following is the TRUE statement?

Activity

Predecessor

Duration

A

$5$

B

A

$10$

C

A

$15$

D

B$,$C

$10$

$1.$

The critical path is A$,$C$,$D

$2.$

The duration of the critical path is $40$

$3.$

The critical path is A$,$B$,$D

$4.$

The duration of the critical path is $35$

$5.$

The duration of the critical path is $25$