A bank branch office plans to do an office space expansion project and all the activities of this project are provided in the following table.

Activity

Immediate Predecessors

Duration $($Weeks$)$

Available Weeks to crash

Crash cost per week

A

$-$

$3$

$0$

NA

B

$-$

$2$

$1$

$$800$

C

B

$2$

$1$

$$900$

D

A$,$B

$4$

$1$

$$900$

E

C

$3$

$1$

$$900$

F

C

$3$

$2$

$$5000$

G

D$,$F

$5$

$3$

$$1200$

H

E$,$G

$2$

$1$

$$3000$

If the indirect costs for the project total $$1500$ per week, how many weeks would you recommend to the bank that the project be shortened in order to minimize the total cost $($including direct cost and indirect cost$)?$