An asset was bought at $160,000 and has an estimated salvage value of $18,000. It is expected to have a useful life of 6 years, a production of 220,000 units, and working hours of 26,000. During the first year of usage, the company used the asset for 3,222 hours to produce 22,334 units.

1. [5 points] Calculate the book depreciation for year 1 using the units-of-production method.

2. [5 points] Calculate the book depreciation for year 1 using the working hours method.

In the following tables, D_n means the depreciation in period n and B_n means the book value of the asset at the end of period n.

3. [10 points] Complete the table using the straight-line method to calculate the depreciation of this asset.

n	Dn	Bn
1
2
3
4
5
6

4. [10 points] Complete the table using the Double declining balance (DDB) method to calculate the depreciation of this asset.

n	Dn	Bn
1
2
3
4
5
6