The age-life method expresses depreciation as:
Correct Answer
B) Effective age divided by total economic life
Why this is correct: The age-life method formula for the depreciation ratio is Effective Age ÷ Total Economic Life. Effective age reflects condition and utility, not just chronological age. Why the other choices are wrong: Actual age divided by remaining economic life is wrong; it mixes actual age with remaining life incorrectly. Remaining life divided by effective age is wrong; this inverts the ratio. Total economic life divided by actual age is wrong; this does not calculate a depreciation percentage. Exam tip: The ratio is 'Used Life' / 'Total Useful Life'. Effective age is the 'Used Life'.
Why This Is the Correct Answer
Why this is correct: The age-life method formula for the depreciation ratio is Effective Age ÷ Total Economic Life. Effective age reflects condition and utility, not just chronological age. Why the other choices are wrong: Actual age divided by remaining economic life is wrong; it mixes actual age with remaining life incorrectly. Remaining life divided by effective age is wrong; this inverts the ratio. Total economic life divided by actual age is wrong; this does not calculate a depreciation percentage. Exam tip: The ratio is 'Used Life' / 'Total Useful Life'. Effective age is the 'Used Life'.
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