The activities, durations, and precedence relations for a project are provided below.

Activity A: Duration is 3 months. Predecessor(s): None.

Activity B: Duration is 1 month. Predecessor(s): None.

Activity C: Duration is 2 months. Predecessor(s): None.

Activity D: Duration is 2 months. Predecessor(s): A,B

Activity E: Duration is 4 months. Predecessor(s): B.C.

Activity F: Duration is 2 months. Predecessor(s):D,E.

Question C.1: Which of the following is/are a critical path/paths of the project?

A Start-A-D-F-End

B Start-B-D-F-End

C Start-A-B-C-D-E-F-End

D Start-C-E-F-End

E Start-B-E-F-End.Start-C-E-F-End,Start-B-D-F-End

Question C.2: Which Activity, if delayed, will extend the duration of the project?

A

B

C

D

None of Above