Activity Predecessor Normal Time Normal Cost Crash Time Crash Cost Crash cost$/$day Max Crash

A $-5$ $$5003$ $$1,500$ $$5002$

B $-4$ $$4002$ $$2,000$ $$8002$

C B $7$ $$7006$ $$1,600$ $$9001$

D A$,$ C $2$ $$2001$ $$500$ $$3001$

E A$,$ C $3$ $$300----$

F B $8$ $$8005$ $$2,900$ $$7003$

G D $5$ $$5004$ $$1,000$ $$5001$

H E$,$ F $6$ $$6003$ $$1,800$ $$4003$ The total cost of finishing the project $3$ days sooner is $\_\_\_\_\_\_\_\_\_\_$ Dollars.