I need help with this crashing project assignment.

\fActivity Predecessor Normal Normal h Co crash crash crash cost time cost time cost per day A 5 300 5 300 N/A A 250 400 50 A 100 100 W/A D A 6 300 600 100 D WN W N U BC 150 300 150 CD 4 275 300 25 G E.F 9 700 900 200 1 2 3 4 5 Activity Crashed N/A B B & F B & D G D & E Daily Crash Cost N/A 50 50+25=75 50+10=150 200 100+150=250 Activity Paths Normal ABEG 25 24 23 22 21 20 ACEG 19 19 19 19 18 17 ACFG 20 20 19 19 18 18 ADFG 24 24 23 22 21 20