$2$

$1$ point

$\backslash$table$[[$activity$,],[$A redecessors,normal$\_$time,crash$\_$time,normal$\_$cost$,$crash$\_$cost$,],[$A$,,1,1,4500,4500],[$B$,$A$,4,4,3500,3500],[$C$,$B$,3,1,2000,4000],[$D$,$C$,2,2,3000,3000],[$E$,$B$,3,1,4500,11500],[$F$,$E$,4,3,5000,7500]]$

The table shows normal time, crash time, normal cost, crash cost of activities in a project. According to this table which activity must be crashed first? $($Only enter the name of the activity. Lower or uppercase both work. Ex: A or a$.$ Copyrighted content. Cannot be poste