Depreciation
- Straight-line
- (cost − salvage)/life
- Double-declining balance
- 2/life × book value at the start of the year
- Sum of the years’ digits
- (cost − salvage) × remaining life/SYD
- SYD
- n(n + 1)/2
- Book value
- cost − accumulated depreciation
Formula sheets, the key method steps for every topic and 4 practice problems, with full solutions at the back.
Revenue is €200,000 and cost of sales is €140,000. What is the gross profit margin?
Under IFRS, how is purchased goodwill treated after acquisition?
A machine costs €120 000, has a useful life of 5 years and a salvage value of €12 000. Using the double-declining-balance method (without switching to straight-line), find the depreciation charge D in year 3.
A delivery van costs €80 000, has a useful life of 5 years and a salvage value of €16 000. Using the sum-of-the-years’-digits method, find the depreciation charge D in year 3.
Answer: A · 30%
Gross profit = €60,000. Margin = €60,000 ÷ €200,000 = 30%.
Answer: C · It is not amortised but tested for impairment at least annually
Goodwill has an indefinite life under IFRS. It is allocated to cash-generating units and tested for impairment yearly, or more often if there are signs of impairment.
Answer: D = 17280 €
Depreciation spreads the cost of an asset over its useful life. Straight-line: (cost − salvage value)/life every year. Double-declining balance: 2/life times the book value at the start of each year, so the charge falls each year (salvage is not subtracted, but the book value never goes below it). Sum-of-the-years’-digits: (cost − salvage) × remaining life/(1 + 2 + … + n).
Answer: D = 12800 €
Depreciation spreads the cost of an asset over its useful life. Straight-line: (cost − salvage value)/life every year. Double-declining balance: 2/life times the book value at the start of each year, so the charge falls each year (salvage is not subtracted, but the book value never goes below it). Sum-of-the-years’-digits: (cost − salvage) × remaining life/(1 + 2 + … + n).
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