First

Selection of civil works

8018.55

9895.19

11,580.29

Second

Mineral processing equipment

22,298.69

28,575.69

34,060.58

Third

Tailings library project

5189.70

6860.77

9680.78

Fourth

Total

35,506.94

45,331.65

55,321.65

Fifth

Mineral processing comparable investment balance

Scheme II - Scheme I (ten thousand yuan)

9824.71

Scheme III - Scheme II (ten thousand yuan)

9990.00

III

Total comparable investment

83,008.03

103,879.37

133,393.53

IV

Mineral processing comparable investment balance

Scheme II - Scheme I (ten thousand yuan)

20,871.34

Scheme III - Scheme II (ten thousand yuan)

29,514.16

V

Cost

yuan/t

yuan/t

yuan/t

First

Mining manufacturing costs

108.45

105.20

104.88

Annual average

Second

Mineral processing cost

55.22

53.71

52.98

Annual average

Third

Expenses for the period

28.85

27.72

25.92

Annual average

Fourth

Total cost

192.52

186.63

183.78

Annual average