The tax authority allows a maximum of 20% yearly depreciation on this type of machine.

税务机关允许此类机器年折旧率最大为 20%。

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Therefore it would be inefficient to record the purchase, the yearly depreciation charges, the disposal and adjustments to depreciation on disposal .

因此，对购置，年度折旧费，摊销和折旧摊销调帐的计提没有效用。

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