The following information is provided for crashing analysis.

Task$$ NT$$ CT$$Normal cost $$Crash cost $$Imm$.$ Pred.

$$ A$8614001600--$

$$ B$55500500--$

$$ C$32800850$ A

$$ D$4311001300$ B

$$ E$659001150$ C$,$D

The project will take $[$ Select $]["20","18","17","15"]$ days to complete.

In what order would you crash the activities to crash the project by $3$ days? $[$ Select $]["$CAAD$",$ "ABC", "CAA", "CAE"$]$

What is the additional cost to do this crashing? $[$ Select $]["400","450","350","550"]$

After crashing, the project will be completed in $[$ Select $]["15","16","13","","14"]$ days.