On 1 Jan. 2015, Miles Ltd. acquired a machine for $300,000 cash. The machine has an estimated useful life of 10 years with no residual value. On 31 December 2016, based on evidence that the machine was impaired, the company estimated the recoverable amount of the machine to be $200,000. On 31 December 2018, there was evidence for reversal of impairment of the machine and the recoverable amount on this date was $170,000. Assume there is no change in the useful life of the machine. Miles Ltd. measured its machines using the cost model and adopts straight-line depreciation for its machines.

Prepare all relevant entries relating to this machine for 2015 to 2018.