Please help me to crash this

Path 1 Path 2 Path 3 Path 4 Path 5 Path 6 Activity to Crash cost due to crashing Updated direct cost A-B-C-E-F-J-K- NA-B-C-E-F-J-L-N A-B-C-E-H-M A-B-C-D-G-H-M A-B-C-I-J-K-N 62 A-B-C-I-J-L-N 63 Duration 67 68 49 61 Duration Duration Duration Duration Duration Duration Duration Duration Duration Duration Duration Duration Duration Duration Cost under normal condition : 4,000,000 For critical path only (path 4) Crash Cost Activity A Crash limit (Weeks) 1 B 2 3 D 2 100,000 50,000 80,000 40,000 160,000 40,000 40,000 60000 E 1 2 LUI- 3 3 N J 2 K 1 30,000 30000 40,000 50,000 100,000 60,000 L 2 M 1 N 3 51 58 K 52 759 25 35 1 30 1040 40 51 J 40|1151 59 68 N 599 68 68 68 Finish 68 68 32 40 51 59 L 51 8 59 F 32 8 40 12 0 5 A 055 5 12 B 57 12 1 25 C 12 13 25 25 32 E 25 7 32 44 56 H 51 1263 56 61 M 635 68 1 25 34 D 329 41 34 44 G 41 10 51