g (shortage cost)

c₂ (cost per unit for emergency sourcing)

22

25

27

30

40

50

40

0.90

1.00

X

X

X

X

50

0.80

0.90

0.90

0.99

X

X

60

0.70

0.80

0.80

0.90

X

X

70

0.60

0.70

0.80

0.80

X

X

80

0.60

0.60

0.70

0.80

0.95

X

90

0.50

0.60

0.60

0.70

0.90

X

100

0.50

0.60

0.60

0.70

0.80

0.98

120

0.40

0.50

0.50

0.60

0.70

0.90

150

0.40

0.40

0.50

0.50

0.60

0.80

180

0.40

0.40

0.40

0.40

0.60

0.70