$\backslash$table$[[$Activity$,\backslash$table$[[$Normal$],[$Time $($days$)]],\backslash$table$[[$Crash$],[$Time $($days$)]],\backslash$table$[[$Normal$],[$Cost$]],\backslash$table$[[$Total Cost$],[$with Crashing Immediate Predecessor$($s$)]],],[$A$,5,4,$$$800,$$$1,100,-],[$B$,9,7,$$$200,$$$600,-],[$C$,6,5,$$$600,$$$650,-],[$D$,8,5,$$$750,$$$1,500,$A$],[$E$,6,4,$$$1,200,$$$1,650,$C$]]$

By how many days should each activity be crashed to reduce the project completion time by $4$ days? Fill in the table below. $($Enter your responses as whole numbers.$)$

$\backslash$table$[[$Activity$,\backslash$table$[[$Each Activity Should be$],[$Reduced BY$],[($days$)]]],[$A$,$