Pick out the wrong statement.

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

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

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

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