Temp. ˚C

Plant 1

Plant 2

Plant 3

Plant 4

Plant 5

Plant 6

Plant 7

Plant 8

Water cost $/m³

20

2.93

3.59

3.61

2.33

2.73

4.41

4.50

2.57

25

2.53

3.10

3.12

2.01

2.36

3.80

3.88

2.22

30

2.18

2.67

2.69

1.73

2.03

3.28

3.34

1.91

35

1.88

2.31

2.32

1.49

1.75

2.83

2.89

1.65*

40

1.62*

1.99

2.00

1.29

1.51*

2.44

2.49

1.42

45

1.40

1.72

1.73

1.11

1.30

2.11

2.15

1.23

Selling price

1.69

1.69

0.64

0.85

1.69

0.85

1.69

1.69