1.Fill in depreciation expense in year 3 under each depreciation method when residual value is $30,000 and useful life is 3 years:

Depreciation method:

Straight-line

Units-of-Output

Double-declining

2.Fill in the book value at the end of year 1 under each depreciation method when residual value is $36,000 and useful life is 4 years:

Depreciation method:

Straight-line

Units-of-Output

Double-declining