GHI Ltd. has an item of plant whose current carrying amount is 200,000 (accumulated depreciation being 20,000). The asset had cost 300,000. It was revalued downwards from am carrying amount of 270,000 to 220,000, with the following accounting entry being passed:

Dr Expense 50,000

Dr Accumulated Depreciation 30,000

Cr Plant 80,000

If the asset is now assessed as having a fair value of 280,000, what would be the appropriate revaluation entry?