Before your visit, the team has already worked on activity C alone for 5 weeks. The current situation is illustrated in the following diagram. The duration-to-go of the project is 17 weeks. The management instead wants the project to be completed in 13 weeks. How can you achieve this goal at a minimum cost? The first step is done for you. Please choose the critical paths of the second step and the best options to crash as indicated by (I) and (II) in the crash table below.

0 11 135 15 A 11 13.5 D.2.5 12 13.5 (G.1.5 13.5 15 12 C,5 5,7 H.2 17 15 12 3,8 E4 11 15 Project Duration (wks) Critical Path(s) Best Option [weeks to crash] e.g. B [1] 17 A-D-G-H A[3] 14 (1) (11) (1) A-D-G-H; (II) A[1] O (1) A-D-G-H, C-F-H, B-E-H; (II) A[2], B[2], F[2] (1) A-D-G-H, C-F-H, B-E-H; (II) A[1], B[1], F[1] (1) C-F-H; (II) F[1]