Question completion status:

Activity

Normal

Duration $($hours$)$

Crash

Duration $($hours$)$

Normal

Cost $($$$)$

Crash

Cost $($S$)$

Immediate

Predecessors

A

$2$

$2$

$10$

$-$

None

B

$3$

$2$

$15$

$23$

C

$4$

$25$

$30$

B

$3$

$1$

$20$

$24$

E

$6$

$4$

$30$

$45$

$1$

$5$

C$,$E

$7$

$6$

$35$

$50$

F

$10$

$7$

$50$

$62$

D$,$G

Please answer the following questions. $($hint$,$ the latest finish of Activity E is $16).$

$1.$ The Project completion time is $34$

hours.

$2.$ For Activity B$,$ the Earliest Start is $2$

$3.$ For Activity C$,$ the Latest Start is $5$

$4.$ For Activity E$,$ the Earliest Start is $10$

$5.$ For Activity G$,$ the Latest Start is $17$

$6.$ For Activity H$,$ the Earliest Start is $24$

$,$ the Earliest Fir

$,$ the Latest Finisi

$,$ the Earliest Fit

$,$ the Latest Finis

$,$ the Earliest Fi

$7.$ What is the critical path? $($please write down the letters only. For example, if y

ABCEFGH

$8.$ Suppose you need to crash the project. The activity that will be crashed first is