Normal Crashed

Activity Duration $($day$)$ Total Cost $($in $US$)$ Duration $($day$)$ Total Cost $($in $US$)$

A $4$ $$1,2002$ $$2,500$

B $4$ $$1,5003$ $$1,900$

C $5$ $$1,9003$ $$3,000$

D $9$ $$2,3008$ $$2,800$

E $7$ $$1,7006$ $$3,000$

F $5$ $$2,8003$ $$6,100$

G $3$ $$1,7002$ $$2,500$

Crash the project $($shorten the project duration$)$ by three days. List the activities for the first, second, and third crashes and the total crash $($additional$)$ cost$.$