Number of stages

4

Lower limit on Rs

0.95

Upper limit on cost

400

Upper limit on weight

500

Upper limit on volume

250

Operating time

1000 hours

Stage

105 αi

βi

vi

wi

1

1.0

1.5

1

6

2

2.3

1.5

2

6

3

0.3

1.5

3

8

4

2.3

1.5

2

7