What is the latest finish and latest start

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Reference no: EM13251190

Environmental Recycling, Inc. must clean up a large automobile tire dump under a state environmental cleanup contract. The tasks, durations (in weeks), cost, predecessor relationships are shown as follows:

Activity

Predecessor(s)

Normal Time

Crash Time

Normal Cost

Crash Cost

A

-

5

4

$400

$750

B

A

8

6

1600

2200

C

A

7

6

800

1100

D

-

6

5

600

1000

E

B, D, C

8

6

1200

2200

F

D

3

2

800

1000

G

D

3

2

500

650

H

E

4

3

400

600

I

F, G, H

6

5

900

1300

What is the Earliest start and Earliest finish for all activities left to right?

What is the Latest Finish and Latest start for all activities right to left?

Reference no: EM13251190

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