The Machine Was Originally Purchased on January 1,2017 for $40,000

Essay

The machine was originally purchased on January 1,2017 for $40,000.The machine was estimated to have a useful life of 5 years and no residual value.The company uses straight-line depreciation.On December 31,2018,the machine was sold for $25,000.
Required:
Part a.Determine the gain (loss)on disposal,if any.
Part b.Prepare the journal entry to record the sale.
Part c.Assuming that the company had used the double-declining balance method instead of the straight-line method,explain how this would this have affected the gain (or loss)on the sale.(Do not include any calculations. )