lec 6 a capacity planning
TRANSCRIPT
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a ery xamp ea ery xamp e
Actual production last week =Actual production last week = 148,000148,000 rollsrolls==Design capacity =Design capacity = 1,2001,200 rolls per hourrolls per hourBakery operatesBakery operates 77 days/week,days/week, 33 -- 88 hour shiftshour shifts
= == =
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a ery xamp ea ery xamp e
Actual production last week =Actual production last week = 148,000148,000 rollsrolls==Design capacity =Design capacity = 1,2001,200 rolls per hourrolls per hourBakery operatesBakery operates 77 days/week,days/week, 33 -- 88 hour shiftshour shifts
= == =
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a ery xamp ea ery xamp e
Actual production last week =Actual production last week = 148,000148,000 rollsrolls==Design capacity =Design capacity = 1,2001,200 rolls per hourrolls per hourBakery operatesBakery operates 77 days/week,days/week, 33 -- 88 hour shiftshour shifts
= == =
UtilizationUtilization = 148,000/201,600 = 73.4%= 148,000/201,600 = 73.4%
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a ery xamp ea ery xamp e
Actual production last week =Actual production last week = 148,000148,000 rollsrolls==Design capacity =Design capacity = 1,2001,200 rolls per hourrolls per hourBakery operatesBakery operates 77 days/week,days/week, 33 -- 88 hour shiftshour shifts
= == =
UtilizationUtilization = 148,000/201,600 = 73.4%= 148,000/201,600 = 73.4%
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a ery xamp ea ery xamp e
Actual production last week =Actual production last week = 148,000148,000 rollsrolls==Design capacity =Design capacity = 1,2001,200 rolls per hourrolls per hourBakery operatesBakery operates 77 days/week,days/week, 33 -- 88 hour shiftshour shifts
= == =
UtilizationUtilization = 148,000/201,600 = 73.4%= 148,000/201,600 = 73.4%
EfficiencyEfficiency = 148,000/175,000 = 84.6%= 148,000/175,000 = 84.6%
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a ery xamp ea ery xamp e
Actual production last week =Actual production last week = 148,000148,000 rollsrolls==Design capacity =Design capacity = 1,2001,200 rolls per hourrolls per hourBakery operatesBakery operates 77 days/week,days/week, 33 -- 88 hour shiftshour shifts
= == =
UtilizationUtilization = 148,000/201,600 = 73.4%= 148,000/201,600 = 73.4%
EfficiencyEfficiency = 148,000/175,000 = 84.6%= 148,000/175,000 = 84.6%
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a ery xamp ea ery xamp e
Actual production last week =Actual production last week = 148,000148,000 rollsrolls==Design capacity =Design capacity = 1,2001,200 rolls per hourrolls per hourBakery operatesBakery operates 77 days/week,days/week, 33 -- 88 hour shiftshour shifts
c encyc ency = .= .Efficiency of new lineEfficiency of new line = 75%= 75%
Expected Output =Expected Output = ((Effective CapacityEffective Capacity)()(EfficiencyEfficiency))
= , . = ,= , . = , ro sro s
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a ery xamp ea ery xamp e
Actual production last week =Actual production last week = 148,000148,000 rollsrolls==Design capacity =Design capacity = 1,2001,200 rolls per hourrolls per hourBakery operatesBakery operates 77 days/week,days/week, 33 -- 88 hour shiftshour shifts
c encyc ency = .= .Efficiency of new lineEfficiency of new line = 75%= 75%
Expected Output =Expected Output = ((Effective CapacityEffective Capacity)()(EfficiencyEfficiency))
= , . = ,= , . = , ro sro s
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Diseconomies of ScaleDiseconomies of Scale
ht)
ht)
2525 -- roomroom 7575 -- roomroomtcost
tcost
perni
perni
5050 -- roomroomroadside motelroadside motel
ageuni
ageuni
rroo
rroo
Aver
Aver
ll
arsp
ll
arsp
EconomiesEconomiesof scaleof scale
DiseconomiesDiseconomiesof scaleof scale
2525 5050 7575
(d(d
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Number of RoomsNumber of Rooms Figure S7.2Figure S7.2
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Management in the Service SectorManagement in the Service Sector
Demand managementDemand management Appointment, reservations, FCFS ruleAppointment, reservations, FCFS rule
apac yapac ymanagementmanagement
Full t ime,Full t ime,
temporary,temporary,partpart--timetimestaffstaff
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rearea -- ven na ys sven na ys sBEPBEPxx == breakbreak--even point ineven point in
unitsunits
BEPBEP$$ == breakbreak--even point ineven point in
xx == number of unitsnumber of unitsproducedproduced
TRTR == total revenue = Pxtotal revenue = Pxo arso ars
PP == price per unit (afterprice per unit (afterall discounts)all discounts)
FF == fixed costsfixed costs
VV == variable cost per unitvariable cost per unit
TCTC == total costs = F + Vxtotal costs = F + Vx
BreakBreak--even pointeven pointoccurs whenoccurs when
TR = TCTR = TC == FForor
Px = F + VxPx = F + Vx
xx PP -- VV
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rearea -- ven na ys sven na ys sBEPBEPxx == breakbreak--even point ineven point in
unitsunits
BEPBEP$$ == breakbreak--even point ineven point in
xx == number of unitsnumber of unitsproducedproduced
TRTR == total revenue = Pxtotal revenue = Pxo arso ars
PP == price per unit (afterprice per unit (afterall discounts)all discounts)
FF == fixed costsfixed costs
VV == variable cost per unitvariable cost per unit
TCTC == total costs = F + Vxtotal costs = F + Vx
BEPBEP$$ = BEP= BEPxx PPFF == --==
FF
PP -- VV
= Px= Px -- ((F + VxF + Vx))
((PP -- VV))/P/PFF
= x= x -- -- xx
== ((PP -- VV))xx -- FF
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11 -- V/PV/P
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rearea -- ven xamp even xamp e
Fixed costsFixed costs = $10,000= $10,000 MaterialMaterial = $.75= $.75/unit/unit== ==
FF $10,000$10,000$$
11 -- ((V/PV/P)) 11 -- [(1.50 + .75)/(4.00)][(1.50 + .75)/(4.00)]
= = 22,857.14= = 22,857.14.4375.4375
BEPBEPxx = = = 5,714= = = 5,714FF
PP -- VV
$10,000$10,0004.004.00 -- (1.50 + .75)(1.50 + .75)
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rearea -- ven xamp even xamp e
Multiproduct CaseMultiproduct Case
BEPBEP$$ ==FF
VV-- xx
iiPPii
wherewhere VV = variable cost per unit= variable cost per unit
PP = price per unit= price per unit= xe cos s= xe cos s
WW = percent each product is of total dollar sales= percent each product is of total dollar sales
ii = each product= each product
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u pro uc xamp eu pro uc xamp e
Annual ForecastedAnnual Forecasted
Fixed costsFixed costs = $3,500= $3,500 per monthper month
temtem r cer ce ostost a es n tsa es n ts
SandwichSandwich $2.95$2.95 $1.25$1.25 7,0007,000
Soft drinkSoft drink .80.80 .30.30 7 0007 000
Baked potatoBaked potato 1.551.55 .47.47 5,0005,000TeaTea .75.75 .25.25 5,0005,000
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