Year

0

5

10

15

20

25

30

35

40

45

50

55

60

65

70

75

80

85

90

95

100

105

110

115

120

Actions

Ser. life = 60 yr

3

1

1

1

4

-

6

1

4

-

4

-

1

Actions

Ser. life = 100 yr

3

1

1

1

4

-

6

3

4

-

4

-

4

-

6

1

4

-

4

-

1

Actions

Ser. life = 120 yr

3

1

1

1

4

-

6

1

3

6

1

4

-

4

-

6

1

3

6

1

4

-

4

-

1