Abdulaziz Co. purchased a machine in 2013 for 50,000 that has a useful life of 5 years with a salvage value of 5,000.

Calculate the depreciation expense, accumulated depreciation, book value throughout its useful life using:

1- Straight-line Method.

2- Units of Production Method if the machine produces 100,000 units.

Here is a table of units produced each year:

First	Second	Third	Fourth	Fifth
23,000	25,000	-	30,000	22,000

3- Double Declining Balance Method