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Pick out the wrong statement.

A. The annual depreciation rate for machinery and equipments in a chemical process plant is about 10% of the fixed capital investment

B. Annual depreciation rate of buildings in a chemical plant is about 3% of its initial cost

C. Insurance rates on annual basis in a chemical plant may be about 1% of the fixed capital investment

D. In a chemical industry, research and development cost amounts to about 15% of net sales realisation (NSR)

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