(a)On 30 June 2017, an item of equipment had a carrying amount of $1 050 000. The equipment cost at acquisition was $1 500 000 at which time its estimated useful life was 10 years with no residual value.

On 30 June 2017, the same item of equipment was assessed as having a recoverable amount of $910000 and a remaining useful life of 7 years.

On 30 June 2019, the equipment was assessed as having a recoverable amount of $630 000 and a remaining useful life of 3 years.

All equipment is carried under the cost model.

Required:

Prepare the necessary journal entries for depreciation and any adjustments relating to impairment on 30 June 2017, 30 June 2019 and 30 June 2020.