Xyz purchased an equipment on 1/6/2015for $30000 and $5000 residual value and 8years useful life or 50000working hour.

Required:

1.thw accumulated depreciation for the equipment on 31/12/2015using units of activity if you know that the company operated the equipment 3000 hours in 2015.

2.the adjusting entry that must be made on 31/12/2016 using the straight line method .

3.the book value of the equipment on 31/12/2016 if the double declining balance method is used.