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Matakuliah: D0762 – Ekonomi Teknik Tahun: 2009. Depreciation and Taxes Course Outline 12. Outline. next. next. next. next. next. next. Introduction Depreciation Example Straight Line Method SOYD DBD Switching DBD to SL References : - PowerPoint PPT Presentation
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Matakuliah : D0762 – Ekonomi TeknikTahun : 2009
Depreciation and TaxesCourse Outline 12
Outline
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• Introduction• Depreciation Example• Straight Line Method• SOYD• DBD• Switching DBD to SL
References : - Engineering Economy – Leland T. Blank, Anthoy J. Tarquin
p.387-423- Engineering Economic Analysis, Donald G. Newman, p.261-
286- Engineering Economy, William G. Sulivan, p.21-35, p. 320-
425
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IntroductionDepreciation is important because it affects the taxes that firms pay.
TAXES proportional to TAXABLE INCOME (PROFIT – COSTS)COSTS = Maintenance Cost + Depreciated Initial Cost
Roughly speaking, depreciation is a decrease in value of an asset each year.
Depreciation is a deduction from taxable income.
Thus the greater the depreciation, the less the taxable income – hence taxes.
The U. S. Government allows some choice among depreciation methods.
Obviously,a well-run firm wants to choose the depreciation method that will minimize
its taxable income.
To do so, the firm owner/employees must understand how the depreciation methods work.
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A firm has $1,000,000 of taxable income. If its tax rate is 25%, it would pay $250,000 in taxes ignoring
depreciation.
If it can deduct $50,000 in depreciation charges, its net taxable income is $950,000.
Thus, it would pay taxes of 0.25 (950,000) = $237,500.
Depreciation saves 250,000 – 237,500 = 12,500 = 0.25(50,000). If it could deduct more than $50,000 it would pay even less taxes.
Individual investors encounter similar situations. If you invest $10,000 and get a 10% return, your taxable income is $1,000. If you are in the 25% tax bracket, U.S. takes $250, so your net return is
$750 7.5%.
If you could have found an 8% investment for your $10,000 that was not taxable, you would have made a better choice (800 > 750).
Depreciation: Example
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Depreciation
Depreciation can mean– a decrease in market value,– a decrease in the value to the owner.
Important reasons for depreciation include– deterioration,– obsolescence.
Accountants define depreciation as follows: the systematic allocation of the cost of an asset over its useful, or
depreciable, life.
The latter definition is used for determining taxable income – hence, income taxes.
Thus, this definition is most important to us.
Market value is the value others would place on the property of interest
A machine can begin to wear out and no longer perform its function as well as when it was new.
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Depreciation: Requirements
In general business assets can only be depreciated if they meet the following basic requirements:
The property must be used for business purposes to produce income
The property must have a useful life that can be determined, and this life must be longer than one year
The property must be an asset that decays, gets used up, wears out, becomes obsolete, or loses value to the owner from natural causes
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Depreciation Example: Joe’s Pizza
Joe runs a pizza parlor. He classifies some of his cost items as follows.
Cost Item Type of Cost Reason
Pizza dough, toppings Expensed Life < 1 yr, loses value immediately
Delivery van Depreciated Meets 3 depreciation requirements*
Employee wages Expensed Life < 1 yr, loses value immediately
Furnishings for dining room Depreciated Meets 3 depreciation requirements
New baking oven Depreciated Meets 3 depreciation requirements
Utilities for refrigerator Expensed Life < 1 yr, loses value immediately
Req. for Depreciation:
1. The property must be used for business purposes to produce income
2. The property must have a useful life that can be determined, and this life must be longer than one year
3. The property must be an asset that decays, gets used up, wears out, becomes obsolete, or loses value to the owner from natural causes
Expensed Items: Labor, Utilities, Materials, Insurance
Expensed items are (often recurring) expenses in regular business operations. They are consumed over short periods (e.g., monthly or biweekly salaries).Expenses are subtracted from business revenues for tax purposes.Expenses reduce income taxes at the time period when they occur.
Depreciated Items: van, furniture, baking oven, cash register, computer.
Usually you pay for the asset “up front”, but depreciate it over time.
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Depreciation: Overview
Definition. The number of years over which a machine is depreciated is called its depreciable life or recovery period.
This period may differ from the useful life - The depreciation method determines the depreciable life.
At least six different depreciation methods are available.
Depreciation is a non-cash cost. No money changes hands.
Depreciation is a business expense the government allows to offset the loss in value of business assets.
Usually you pay for the asset “up front”, but depreciate it over time (e.g., a new truck).
Depreciation deductions reduce the taxable income of businesses and thus reduce the amount of tax paid.
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Classes of Business Property
Classes of Business Property
• Tangible property can be seen, touched, and felt. (It is “tangible.”) – Real property (think “real estate”) includes land, buildings, and all things growing on, built on,
constructed on, or attached to the land.– Personal property includes equipment, furnishing, vehicles, office machinery, and anything that is
tangible excluding those assets defined as real property. (Note “personal” does not refer to being owned by a person or being private.)
• Intangible property is all property that has value to the owner but cannot be directly seen or touched. Examples include patents, trademarks, trade names, and franchises.
Examples of depreciable business assets:– Copy machines, Helicopters, Buildings, Interior furnishing, Production equipment, Computer networks
Many different types of properties that wear out, decay, or lose value can be depreciated as business assets.
Examples of nondepreciable business assets: Land: it does not wear out, lose value, or have a determinable useful life. Indeed, often it increases in value. Leased property: only the owner of property may claim depreciation expenses.
Sometimes tangible property is used for both business and personal activities, such as a home office. The depreciation deduction can be taken only in proportion to the use for business expenses.
Almost all tangible properties can be depreciated as business assets
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Depreciation Calculation Fundamentals
Example. A PC costs $1,800. Its annual depreciation charges are $800, $600, and $350 for three years.
$1,800 is called the cost, initial cost, or cost basis.dt denotes the depreciation deduction in year t.
Thus d1 = $800, d2 = $600, d3 = $350.
BVt denotes the book value at the end of year t.
BV0 = cost basis
(e.g., $1,800)BV1 = BV0 – d1 = cost basis – d1 (e.g., $1,000)
BV2 = BV1 – d2 = cost basis – (d1 + d2) (e.g., $400)
BV3 = BV2 – d3 = cost basis – (d1 + d2 + d3) (e.g., $50)
Year Depreciation Book Value
0 $1,800
1 $800 $1,000
2 $600 $400
3 $350 $50
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Depreciation Calculation Fundamentals
BVt = cost basis – (d1 + d2 + … + dt)
This equation is used to compute the book value of an asset at the end of any time t.
Book value can be viewed as the remaining unallocated cost of an asset:
Book value = Cost – Depreciation charges made to date
Note: If the item has a salvage value then the final book value will be the salvage value.
Example: The book value of the PC declines during the useful life from a value of B = $1,800 at time 0 in the recovery period, to a
value of S = $50 at time 3.
Numerous depreciation methods are possible.
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Straight Line (SL) Depreciation
Example An asset has a cost of B = $900, a useful life of N = 5 years, and an EOL salvage value of S = $70.
With straight line depreciation, we would compute the following:
Annual depreciation charge:di = (B-S)/N = 830/5 = $166.
The book value of the asset decreases by $166 each year
Year Initial Book Value Depr. Charge EOY Book Value
0 $900
1 Cost = $900 $166 734
2 $734 $166 568
3 568 $166 402
4 402 $166 236
5 236 $166 Salvage Value 70
Total Depr.: $830
Initial Cost
Salvage Value
900
70
Book Value
Useful Life
1 2 3 4 5 N
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Straight Line (SL) DepreciationExample. Depreciation to Intangible Property
Veronica’s firm bought a patent in April. It was not acquired as part of acquiring a business.
The firm paid $6,800 for the patent. They must depreciate it using SL depreciation over 17 years, with no
salvage value.
Annual depreciation is $400 = $6,800/17.
The firm bought the patent in April. This means the depreciation for the first year must be prorated over the 9
months of ownership. Therefore the first year depreciation is (9/12) 400 = $300. In later years the depreciation can be $400.
Straight line depreciation is the simplest and best known:C = Annual depreciation charge = (B-S)/N.
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Sum-Of-Years Digits (SOYD) Depreciation
Example An asset has a cost of B = $900, a useful life of N = 5 years, and an EOL salvage value of S = $70. With SOYD depreciation, we would compute the following
The product of the multiplier and B-S for the year is the depreciation charge for the year. Note the multipliers add to 1.
Year Life, FOY Multiplier B - S Depreciation Charge EOY Book Value 0 $900 1 5 5/15 $830 $277 623 2 4 4/15 830 221 402 3 3 3/15 830 166 236 4 2 2/15 830 111 125 5 1 1/15 830 55 70
15 1 $830
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Sum-Of-Years Digits (SOYD) Depreciation
dt=(N+1-t)/SOYD(B-S)= 2(N+1-t)/[N(N+1)](B-S)
SOYD depreciation causes larger decreases in book value in earlier years than in later years.
Question. If you were a firm, would you prefer SOYD or SL depreciation?
SOYD Depreciation looks like this.
$S
Book Value
N
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Declining Depreciation Balance
For straight line depreciation with N years, the rate of decrease each year is 1/N. Declining balance depreciation uses a rate of either 150% or 200% of the
straight-line rate. Since 200% is twice the straight-line rate, it is called double declining balance
(DDB). The DDB equation for any year is
DDB depreciation dt = (2/N) ( Book value) Book value = Initial cost – total charges to date,
So,DDB deprec. dt = (2/N) (Initial cost – total charges to date)
It can be shown for DDB, that the depreciation schedule in year t is given by:
DDB depreciation in year t = (2B/N)(1 – 2/N)t-1
For 150% declining balance depreciation, the depreciation in year t is given by:
DDB depreciation in year t =(1.5 B/N)(1 – 1.5/N)t-1.
we just replace each “2” in the DDB formula by “1.5”.
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Declining Balance Depreciation: Example
Example An asset has a cost of B = $900, a useful life of N = 5 years, and an EOL salvage value of S = $70. With DDB depreciation, we would compute the
following
Year Multiplier Cost – depreciation charges to date
Depreciation Charge EOY Book Value
0 $900
1 2/5 900 360 540
2 2/5 540 216 324
3 2/5 324 130 194
4 2/5 194 78 116
5 2/5 116 46 70
$830
If the salvage value of this example had not been $70, a modification of DDB would be necessary.
Several possibilities exist:• stop further depreciation when the book value equals the salvage value;• “switch over” from DB depreciation to straight line.
We can skip these modifications because MACRS is now the legally appropriate system, and it incorporates the switch from DB to SL.
Switching DBD to SL • General rules
– Switching recommended when the depreciation for year t by the currently used model is less than that for a new model. The selected depreciation Dt is the larger amount
– BV can never go below estimated SV– We assume the estimated SV = 0 in all cases– The underappreciated amount BV is used as new adjusted
basis to select the larger Dt, for the next switching decision– Switching from a DB model, SV (not the DB-implied SV) used
to compute the depreciation for the new method– Only one switch can take place during the recovery period
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Procedure of Switching• For each year t, compute the two depreciation charges
For DDB : DDDB = (d)BVt-1
For SL : DSL =
• Select the larger deprecation value so that te depreciatiaon for each year t = 1,2,3,…n, is Dt = Dmax [DDDB, DSL}
• Compute the present worth of total depreciation, PWD, using equation :
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BVt-1
n-t+1
nt
t
D tiFPDtPW1
,,/
Example 13.5
• M-E cyberspace, Inc., has purchased a $100,000 computer-controlled on line document imaging system with estimated imaging system with and estimated useful life of 8 years. Compute the annual capital recovery and compare the present worth for a)SL method, b) DDB method, c) DDB to SL switching. i= 15%Use recovery period = 5yearsSolution
a) Compute Depreciation chargesStraight line Dt = 1000,000-0 = $20,000
Since Dt is the same for all years t = 1,2,3…., t the P/A factor P/F in equation to compute PWD
PWD = 20,000 (P/A,15%,5) = 20,000(3,3522) = $67,044
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5
Example 13.5• DDBd= 2/5 =0,40
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Year t Dt BVt (P/F,15%,t) PW of Dt
0 100,000
1 40,000 60,000 0,8696 34,784
2 24,000 36,000 0,76561 18,146
3 14,400 21,600 0,6575 9,468
4 8,640 12,960 0,5718 4,940
5 5,184 7,776 0,4972 2,577
$92,224
Switching SL-DDB
Year DDB Model SL Depr, DSL
Selected Dt
P/F Factor
PW of Dt
DDDS BVt
1 40,000 60,000 20,000 40,000 0,8696 34,784
2 24,000 36,000 15,000 24,000 0,76561 18,146
3 14,400 21,600 12,000 14,400 0,6575 9,468
4 8,640 12,960 10,800 10,800* 0,5718 6,175
5 5,184 7,776 12,960 10,800 0,4972 5,370
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* Indicate switch from DDB to SL DepreciationNote :DSL values change each year since the adjusted BVt-1 is different. Only I year t=1 is DSL = 20,000Example for t =4, BV3 = $21,600 by the DDB method, and
DSL = 21,600-0 = $10,8005-4+1
Calculating Income Taxes• Equation
Taxable income = Gross income – Expenses – Depreciation deduction
Example Suppose that a firm for a tax has a gross income of $5,270,000 expenses (excluding capital) of $2,927,500 and depreciation deduction of $1,874,300. What would be its taxable income? If tax =15% what would be income tax ?
Solution Taxable income = $5,270,000 - $2,927,500 – $1,874,300
= $468,200Income tax = $468,200 x 15%
= 7,0230
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