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-lineUnits-of-OutputDouble-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-lineUnits-of-OutputDouble-declining

3.Move the Useful Life slider from 3 years to 4 years and complete the sentence.

Depreciation expense each year under every method islowerwhen the cost is spread over a longer useful life.