The table below contains information about an environmental$?$ ?clean$-$up project in the township of Hiles. Shorten the project weeks by finding the$?$ ?minimum$-$cost schedule. Assume that project indirect costs and penalty costs are negligible. Identify activities to crash while minimizing the additional crash costs.

$?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????$ ?

Activity

Normal Time

$?(?$s$)$

Crash Time

$?(?$s$)$

Cost to Crash

$?($$ per $?)$

Immediate$?$ ?Predecessor$($s$)$

A

None

B

None

C

A

D

A

E

B

F

$?$C$,$ ?D

G

$?$D$,$ ?E

H

F

I

G

?

Part $2$

Fill in the table below with the activity times after crashing to show the resulting schedule. $?($Enter your responses as whole$?$ ?numbers.$)$