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An Introduction to Cost Terms and Purposes
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1. Define and illustrate a cost object
2. Distinguish between direct costs andindirect costs
3. Exlain !ariable costs and fixed costs". Interret unit costs cautiousl#
$. Distinguish between in!entoriable costs anderiod costs
%. Illustrate the flow of in!entoriable anderiod costs
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&. Exlain wh# roduct costs are comuted indifferent wa#s for different uroses
'. Describe a framewor( for cost accounting
and cost management
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Cost)a sacrificed or forgone resource toachie!e a secific objecti!e.
Actual cost)a cost that has occurred.
*udgeted cost)a redicted cost. Cost object)an#thing for which a cost
measurement is desired.
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Cost accumulation)the collection of costdata in an organi+ed wa# b# means of anaccounting s#stem.
Cost assignment)a general term thatencomasses the gathering of accumulatedcosts to a cost object in two wa#s,Tracing accumulated costs with a direct
relationshi to the cost object and
Allocating accumulated costs with an indirectrelationshi to a cost object.
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Direct costs can be con!enientl# andeconomicall# traced -trac(ed to a costobject.
Indirect costs cannot be con!enientl# oreconomicall# traced -trac(ed to a costobject. Instead of being traced/ these costsare allocated to a cost object in a rationaland s#stematic manner.
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Direct Costs0arts -steel or tires for a car/ as an exame
Assembl# line wages
Indirect CostsElectricit#
ent
0roert# taxes
0lant administration exenses
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The materialit# of the cost in uestion. The a!ailable informationgathering technolog#. Design of oerations.
45TE, a secific cost ma# be both a direct cost
of one cost object and an indirect cost ofanother cost object.
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The ProductThe Product
'irect(aterials
'irect(aterials
'irect)a*or
'irect)a*or
(anu+acturingverhead
(anu+acturingverhead
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aw materials that become an integral art of theroduct and that can be con!enientl# traced
directl# to it.
Example: A radio installed in an automobileExample: A radio installed in an automobile
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Those labor costs that can be easil# traced toindi!idual units of roduct.
Example: Wages paid to automobile assembly workersExample: Wages paid to automobile assembly workers
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6anufacturing costs that cannot be traced directl# tosecific units roduced.
Examples: Indirect labor and indirect materialsExamples: Indirect labor and indirect materials
Wages paid to employeeswho are not directly
involved in productionwork.Examples: maintenance
workers !anitors andsecurity guards.
"aterials used to supportthe production process.
Examples: lubricants andcleaning supplies used in theautomobile assembly plant.
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#elling$osts
$osts necessary to get
the order and deliverthe product.
Administrative$osts
All executive
organi%ational andclerical costs.
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'istinguish *et-een'istinguish *et-eenproduct costs and periodproduct costs and period
costs and give ea/plescosts and give ea/pleso+ each.o+ each.
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Product costs includedirect materials, direct
labor, and
manufacturingoverhead.
Period costs include allselling costs and
administrative costs.
Inventory $ost o& 'ood #old
alanceheet
Inco/etate/ent
Sale
Expense
Inco/etate/ent
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7hich of the following costs would be considered aeriod rather than a roduct cost in amanufacturing coman#8
A. 6anufacturing euiment dereciation.*. 0roert# taxes on cororate headuarters.
C. Direct materials costs.
D. Electrical costs to light the roduction
facilit#.E. 9ales commissions.
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7hich of the following costs would be considered aeriod rather than a roduct cost in amanufacturing coman#8A. 6anufacturing euiment dereciation.
*. 0roert# taxes on cororate headuarters.
C. Direct materials costs.
D. Electrical costs to light the roduction facilit#.
E. 9ales commissions.
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'irect(aterial'irect
(aterial'irect)a*or 'irect)a*or
(anu+acturingverhead
(anu+acturingverhead
Pri/eCost
ConversionCost
6anufacturing costs are oftenclassified as follows,
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Merchandisers . . . Buy finished goods.
Sell finished goods.
Manufacturers . . . Buy raw materials.
Produce and sell finishedgoods.
"ega(o"art
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Merchandiser
Current assetsCash
ReceivablesPrepaid Epenses
Merchandise !nventory
"anu&acturer
$urrent Assets $ash
)eceivables
Prepaid Expenses
Inventories )aw "aterials
Work in Process
*inished 'oods
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Merchandiser
Current assetsCash
ReceivablesPrepaid Epenses
Merchandise !nventory
"anu&acturer
$urrent Assets $ash
)eceivables
Prepaid Expenses
Inventories )aw "aterials
Work in Process
*inished 'oods
Partially completeproducts + some
material labor oroverhead has been
added.
$ompleted productsawaiting sale.
"aterials waiting tobe processed.
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Prepare an inco/ePrepare an inco/e
state/ent includingstate/ent includingcalculation o+ the cost o+calculation o+ the cost o+
goods sold.goods sold.
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Cost of goods sold for manufacturers differs onl#slightl# from cost of goods sold for merchandisers.
"erchandising $ompany
$ost o& goods sold: ,eg. merchandise
inventory -/001
2 Purchases /3-40
'oods available
&or sale /53401
6 Ending merchandise
inventory 7-/-008
9 $ost o& goods
sold /3/401
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,eginningbalance
,eginningbalance
Additionsto inventory
Additionsto inventory+ =
Endingbalance
Endingbalance
Withdrawals&rom
inventory
Withdrawals&rom
inventory
+
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If #our in!entor# balance at the beginning of themonth was :1/;;;/ #ou bought :1;; during themonth/ and sold :3;; during the month/ whatwould be the balance at the end of the month8A. :1/;;;.
*. : ';;.
C. :1/2;;.
D. : 2;;.
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If #our in!entor# balance at the beginning of themonth was :1/;;;/ #ou bought :1;; during themonth/ and sold :3;; during the month/ whatwould be the balance at the end of the month8A. :1/;;;.
*. : ';;.
C. :1/2;;.
D. : 2;;.
31,000 4 3100 31,10031,100 3!00 3%00
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Prepare a schedule o+ costPrepare a schedule o+ costo+ goods /anu+actured.o+ goods /anu+actured.
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$alculates the cost o& rawmaterial direct labor and
manu&acturing overhead used
in production.
$alculates the manu&acturingcosts associated with goodsthat were &inished during the
period.
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"anu&acturing Work
)aw "aterials $osts In Process
,eginning raw ;irect materials
materials inventory
2 )aw materials
purchased
9 )aw materials
available &or use
in production
+ Ending raw materials
inventory9 )aw materials used
in production
As items are removed &rom rawmaterials inventory and placed into
the production process they arecalled direct materials.
As items are removed &rom rawmaterials inventory and placed into
the production process they arecalled direct materials.
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"anu&acturing Work
)aw "aterials $osts In Process
,eginning raw ;irect materials
materials inventory 2 ;irect labor
2 )aw materials 2 "&g. overhead
purchased 9 Total manu&acturing
9 )aw materials costs
available &or use
in production
+ Ending raw materials
inventory9 )aw materials used
in production
$onversioncosts are costs
incurred toconvert thedirect materialinto a &inished
product.
$onversioncosts are costs
incurred toconvert the
direct materialinto a &inished
product.
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"anu&acturing Work
)aw "aterials $osts In Process
,eginning raw ;irect materials ,eginning work in
materials inventory 2 ;irect labor process inventory
2 )aw materials 2 "&g. overhead 2 Total manu&acturing
purchased 9 Total manu&acturing costs
9 )aw materials costs 9 Total work in
available &or use process &or the
in production period
+ Ending raw materials
inventory9 )aw materials used
in production
All manu&acturing costs incurredduring the period are added to the
beginning balance o& work inprocess.
All manu&acturing costs incurredduring the period are added to thebeginning balance o& work in
process.
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"anu&acturing Work
)aw "aterials $osts In Process
,eginning raw ;irect materials ,eginning work in
materials inventory 2 ;irect labor process inventory
2 )aw materials 2 "&g. overhead 2 Total manu&acturing
purchased 9 Total manu&acturing costs
9 )aw materials costs 9 Total work in
available &or use process &or the
in production period
+ Ending raw materials + Ending work in
inventory process inventory9 )aw materials used 9 $ost o& goods
in production manu&actured
$osts associated with the goods thatare completed during the period are
trans&erred to &inished goodsinventory.
$osts associated with the goods thatare completed during the period are
trans&erred to &inished goodsinventory.
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*inished'oods
$ost o&
'oods#old
#elling andAdministrative
Period Costs#elling andAdministrative
"anu&acturing
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*eginning raw materials in!entor# was :32/;;;.During the month/ :2&%/;;; of raw material wasurchased. A count at the end of the monthre!ealed that :2'/;;; of raw material was stillresent. 7hat is the cost of direct material used8
A. :2&%/;;;
*. :2&2/;;;
C. :2';/;;;D. : 2/;;;
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*eginning raw materials in!entor# was :32/;;;.During the month/ :2&%/;;; of raw material wasurchased. A count at the end of the monthre!ealed that :2'/;;; of raw material was still
resent. 7hat is the cost of direct material used8A. :2&%/;;;
*. :2&2/;;;
C. :2';/;;;D. : 2/;;;
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Direct materials used in roduction totaled:2';/;;;. Direct labor was :3&$/;;; and factor#o!erhead was :1';/;;;. 7hat were totalmanufacturing costs incurred for the month8
A. :$$$/;;;*. :'3$/;;;C. :%$$/;;;
D. Cannot be determined.
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Direct materials used in roduction totaled:2';/;;;. Direct labor was :3&$/;;; and factor#o!erhead was :1';/;;;. 7hat were totalmanufacturing costs incurred for the month8
A. :$$$/;;;*. :'3$/;;;C. :%$$/;;;
D. Cannot be determined.
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*eginning wor( in rocess was :12$/;;;.6anufacturing costs incurred for the month were:'3$/;;;. There were :2;;/;;; of artiall#finished goods remaining in wor( in rocess
in!entor# at the end of the month. 7hat wasthe cost of goods manufactured during themonth8
A. :1/1%;/;;;
*. :
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*eginning wor( in rocess was :12$/;;;.6anufacturing costs incurred for the month were:'3$/;;;. There were :2;;/;;; of artiall#finished goods remaining in wor( in rocess
in!entor# at the end of the month. 7hat wasthe cost of goods manufactured during themonth8
A. :1/1%;/;;;
*. :
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*eginning finished goods in!entor# was :13;/;;;.The cost of goods manufactured for the month was:&%;/;;;. And the ending finished goods in!entor#was :1$;/;;;. 7hat was the cost of goods sold for
the month8A. : 2;/;;;.*. :&";/;;;.C. :&';/;;;.D. :&%;/;;;.
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*eginning finished goods in!entor# was :13;/;;;.The cost of goods manufactured for the month was:&%;/;;;. And the ending finished goods in!entor#was :1$;/;;;. 7hat was the cost of goods sold for
the month8A. : 2;/;;;.*. :&";/;;;.C. :&';/;;;.D. :&%;/;;;.
31!0,000 4 3$#0,000 3%&0,000
3%&0,000 3150,000 3$"0,000
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6nderstand the6nderstand the
di++erences *et-eendi++erences *et-eenvaria*le costs and +iedvaria*le costs and +ied
costs.costs.
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=ow a cost will react tochanges in the le!el of
acti!it# within the
rele!ant range. Total variable costs change
when acti!it# changes.
Total fied costs remain
unchanged when acti!it#changes.
=ow a cost will react tochanges in the le!el of
acti!it# within the
rele!ant range. Total variable costs change
when acti!it# changes.
Total fied costs remain
unchanged when acti!it#changes.
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>our total long distance telehone bill is based on howman# minutes #ou tal(.
(inutes 7al8ed
7 o t a l ) o n g ' i s t a n c e
7 e l e p h o n e 0 i l l
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(inutes 7al8ed
P e r ( i n u t e
7 e l e p h o n e C h a r g e
The cost per long distance minute tal(ed is
constant. ?or examle/ 1; cents er minute.
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>our monthl# basic telephone bill robabl# does not change when #ou ma(e more local calls.
9u/*er o+ )ocal Calls
( o n t h l y 0 a s i c
7 e l e
p h o n e 0 i l l
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9u/*er o+ )ocal Calls
( o n t h l y
0 a s i c 7 e l e p h o n e
0 i l l p
e r ) o c a l C a l l
The a!erage fixed cost per local call decreasesas more local calls are made.
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,ehavior o& $ost 7within the relevant range8
$ost In Total Per =nit
>ariable Total variable cost changes >ariable cost per unit remainsas activity level changes. the same over wide ranges
o& activity.
*ixed Total &ixed cost remains Average &ixed cost per unit goes
the same even when the down as activity level goes up.
activity level changes.
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7hich of the following costs would be !ariable withresect to the number of cones sold at a *as(ins @obbins sho8 -There ma# be more than onecorrect answer.
A. The cost of lighting the store.
*. The wages of the store manager.
C. The cost of ice cream.
D. The cost of na(ins for customers.
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7hich of the following costs would be !ariable withresect to the number of cones sold at a *as(ins @obbins sho8 -There ma# be more than onecorrect answer.
A. The cost of lighting the store.
*. The wages of the store manager.
C. The cost of ice cream.
D. The cost of na(ins for customers.
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A semi!ariable
cost is artl#fixed and artl#!ariable.
Consider the+ollo-ing electric
utility ea/ple.
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*ixed "onthly
=tility $harge
>ariable
=tility $harge
Activity 7?ilowatt @ours8
T o
t a l = t i l i t y $
o s t
T o t a l
s e m i
v a r i a b l e c
o s t
#lope is
variable costper unit
o& activity.
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6nderstand the6nderstand the
di++erences *et-een directdi++erences *et-een direct
and indirect costs.and indirect costs.
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"irect costs
Costs that can beeasily and convenientlytraced to a unit of
product or other costob#ect.
Eamples$ direct materialand direct labor
!ndirect costs
Costs that cannot beeasily and convenientlytraced to a unit of
product or other costob#ect.
Eample$ manufacturingoverhead
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'e+ine and give ea/ples'e+ine and give ea/ples
o+ cost classi+ications usedo+ cost classi+ications used
in /a8ing decisions:in /a8ing decisions:di++erential costs,di++erential costs,
opportunity costs, andopportunity costs, and
sun8 costs.sun8 costs.
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E!er# decision in!ol!es a choice between at least twoalternati!es.
5nl# those costs and benefits that differ betweenalternati!es are rele!ant in a decision. All other costsand benefits can and should be ignored.
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Costs and re!enues that differCosts and re!enues that differamong alternati!es.among alternati!es.
Example: ou have a !ob paying 1-400 per month inyour hometown. ou have a !ob o&&er in a neighboringcity that pays 1/000 per month. The commuting costto the city is 1300 per month.
Example: ou have a !ob paying 1-400 per month inyour hometown. ou have a !ob o&&er in a neighboringcity that pays 1/000 per month. The commuting costto the city is 1300 per month.
;i&&erential revenue is: 1/000 + 1-400 9 1400
;i&&erential cost is:
1300
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%he potential benefit that isgiven up when one
alternative is selected overanother.
Ea/ple: I+ you -erenot attending college,you could *e earning
315,000 per year.;our opportunity costo+ attending college +orone year is 315,000.
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Sun& costs have already been incurred and cannotbe changed now or in the future. %hey should be
ignored when ma&ing decisions.
Ea/ple: ;ou *ought an auto/o*ile that cost 310,000t-o years ago. 7he 310,000 cost is sun8 *ecause-hether you drive it, par8 it, trade it, or sell it, you
cannot change the 310,000 cost.
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9uose #ou are tr#ing to decide whether to dri!eor ta(e the train to 0ortland to attend a concert.>ou ha!e amle cash to do either/ but #ou dontwant to waste mone# needlessl#. Is the cost of the
train tic(et rele!ant in this decision8 In otherwords/ should the cost of the train tic(et affect thedecision of whether #ou dri!e or ta(e the train to0ortland8
A. >es/ the cost of the train tic(et is rele!ant.*. 4o/ the cost of the train tic(et is not rele!ant.
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9uose #ou are tr#ing to decide whether to dri!eor ta(e the train to 0ortland to attend a concert.>ou ha!e amle cash to do either/ but #ou dontwant to waste mone# needlessl#. Is the cost of the
train tic(et rele!ant in this decision8 In otherwords/ should the cost of the train tic(et affect thedecision of whether #ou dri!e or ta(e the train to0ortland8
A. >es/ the cost of the train tic(et is rele!ant.*. 4o/ the cost of the train tic(et is not rele!ant.
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9uose #ou are tr#ing to decide whether to dri!eor ta(e the train to 0ortland to attend a concert.>ou ha!e amle cash to do either/ but #ou dontwant to waste mone# needlessl#. Is the annual cost
of licensing #our car rele!ant in this decision8A. >es/ the licensing cost is rele!ant.
*. 4o/ the licensing cost is not rele!ant.
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9uose #ou are tr#ing to decide whether to dri!eor ta(e the train to 0ortland to attend a concert.>ou ha!e amle cash to do either/ but #ou dontwant to waste mone# needlessl#. Is the annual cost
of licensing #our car rele!ant in this decision8A. >es/ the licensing cost is rele!ant.
*. 4o/ the licensing cost is not rele!ant.
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9uose that #our car could be sold now for:$/;;;. Is this a sun( cost8A. >es/ it is a sun( cost.
*. 4o/ it is not a sun( cost.
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9uose that #our car could be sold now for:$/;;;. Is this a sun( cost8A. >es/ it is a sun( cost.
*. 4o/ it is not a sun( cost.
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Bariable costs)change in total in roortionto changes in the related le!el of acti!it# or!olume of outut roduced.
?ixed costs)remain unchanged in total/ for a
gi!en time eriod/ desite changes in therelated le!el of acti!it# or !olume of oututroduced.
Costs are fixed or !ariable onl# with resect
to a secific acti!it# or a gi!en time eriod.
#%2
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Bariable costs are constant on a erunitbasis. If a roduct ta(es $ ounds ofmaterials each/ it sta#s the same er unitregardless if one/ ten/ or a thousand units
are roduced. ?ixed costs er unit change in!ersel# with
the le!el of roduction. As more units areroduced/ the same fixed cost is sreado!er more and more units/ reducing thecost er unit.
#&2
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Total ;ollars $ost per =nit
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Cost dri!er)a !ariable/ such as the le!el ofacti!it# or !olume/ that causall# affects costso!er a gi!en time san.
ele!ant range)the band or range of normalacti!it# le!el -or !olume in which there is asecific relationshi between the le!el ofacti!it# -or !olume and the cost in uestion.?or examle/ fixed costs are considered fixed
onl# within the rele!ant range.
$22
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