Wire-Harness-Decision (case 2)
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North Carolina A&T State University *
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Industrial Engineering
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Apr 3, 2024
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Sheila Austin, a buyer at Autolink, a
Detroit-based producer of
subassemblies for the automotive
market, has sent out requests for
quotations for a wiring harness to four
prospective suppliers. Only two of the
four suppliers indicated an interest in
quoting the business: Original Wire
(Auburn Hills, MI) and Happy Lucky
Assemblies (HLA) of Guangdong
Province, China.
The Global Sourcing Wire Harness Decision
Case study solution
Submitted to: Dr. Nadeem Kureshi
Submitted by: Rida Munir Khan
Enrollment No. 01-296161-014
MS SCM
Dated: April 7, 2016
WIRE HARNESS DECISION
Total cost per unit of purchasing from Original Wire
Cost
Basis
Calculation
Per Unit ($)
Unit Price
30.00
Packing costs
0.75
Tooling
1
$6000 one-time fixed charge
$6000/60000
0.10
Freight cost
2
$5.20 per 100 pounds
$5.20/10
0.52
Cost per unit purchasing
31.37
1.
Calculate the total cost per unit of purchasing from Original Wire. WORKINGS:
1
T
OOLING
:
Let’s suppose Austin enters a one-year contract
Demand per month: 5000 units
Demand per year: 5000*12 = 60000 units
Tooling cost spread over 60000 units = $6000/60000 units = $0.10 per unit
2
F
REIGHT
COST
:
Freight cost/100 pounds =$5.20
Freight cost/1 pound =$5.20/100 =$0.052
Each unit weighs 10 pounds approx. hence per unit cost =$0.052*10 =$0.52
The total cost per unit of wiring harnesses purchased from Original Wire is $31.37.
2.
Calculate the total cost per unit of purchasing from Happy Lucky Assemblies.
Total cost per unit of purchasing from Happy Lucky Assemblies
Cost
Basis
Calculation
Per unit ($)
Unit Price
19.50
Tooling
3
$3000 one-time fixed charge $3000/60000
0.05
Packing costs
2.00
Inland transportation 200/ container
($200*3)/5000
0.12
Freight forwarder's fee
$100/shipment
$100/5000
0.02
Cost of ocean transport
$4000/container
($4000*3)/5000
2.40
Marine Insurance
4
$0.50 per $100 of shipment
$487.5/5000
0.10
U.S. port handling charges
$1200/container
($1200*3)/5000
0.72
Customs duty
5% of unit cost
0.05*19.50
0.98
Customs broker fees
$300/shipment
$300/5000
0.06
Transportation (Seattle to Detroit)
5
$1.86/hundred pounds
$0.186*10
1.86
Warehousing
6
$1.00/cubic foot per month
$1.00*1
1.00
1
Currency hedging - broker fees
$400/shipment
$400/5000
0.08
Administrative
7
4 hrs/shipment @$25/hour
$100/5000
0.02
Visits to China twice a year
$20000/60000
0.33
Cost per unit purchasing
29.24
WORKINGS:
3
T
OOLING
:
Let’s suppose Austin enters a one-year contract
Demand per month: 5000 units
Demand per year: 5000*12 = 60000 units
Tooling cost spread over 60000 units = $3000/60000 units = $0.05 per unit
4
M
ARINE
I
NSURANCE
:
Marine insurance per $100 of shipment: $0.50
Marine insurance per $1 of shipment: $0.50/$100 =$0.005
Marine insurance for $97500 ($19.50*5000)of shipment: $(0.005*97500) =$487.5/month
Marine insurance per unit =$487.5/5000 units = $0.98
5
T
RANSPORTATION
COST
(S
EATTLE
TO
D
ETROIT
):
Transportation cost per 100 pounds = $18.60
Cost per pound = $18.60/100 = $0.186
Cost per 10 pounds = $0.186*10 = $1.86
6
W
AREHOUSING
COST
:
Warehousing cost per cubic foot per month = $1.00
Volume of one carton (foot): 2*1*0.5 =1cubic foot
Cost of 1 cubic foot = $1.00, hence cost per unit of warehousing = $1.00
7
A
DMINISTRATIVE
COST
: Additional administrative time to monitor international shipment
$25 per hour for 4 hours =$100
Cost per unit =$100/5000 units =$0.02
The total cost per unit of wiring harnesses purchased from Happy Lucky Assemblies in China is $29.24.
3.
Based on the total cost per unit, which supplier should Sheila recommend?
Ans: Based on cost per unit only, Happy Lucky Assemblies should be recommended by Sheila as one wiring harness from Happy Lucky Assemblies costs $29.24 and the same wiring
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harness from the local firm Original Wire costs $
31.37 which is $2.13
less than Original Wire’s
cost per unit, despite all the costs involved in importing the harnesses from China.
4.
Are there any other issues besides cost that Sheila should evaluate?
Ans: Sheila must assess the pros and cons of both the options carefully. While the cost incurred
from purchasing wire harnesses from Original wire maybe greater but Autolink and Original Wire have the opportunity to collaborate and take steps for cost reduction as they are passionate and hungry for business, they are likely to be willing to go the extra mile to cut costs with Autolink. Secondly, Sheila should also consider proximity as one of the factors while evaluating both the options, Original Wire is located just 20 miles away from Autolink headquarters, which means delivery could be made daily, shorter lead times and also minimal inventory and risk, but Original Wire is charging a higher price. On the other hand, Happy Lucky Assemblies’ harness costs less but factors other than cost should be considered to arrive
at an optimal decision such as currency risk (foreign exchange), hidden costs that haven’t been
included in the unit price, political and geographical risks, the need to keep safety stock because of longer lead time and also consider the multiple stop shipping (harnesses travel from Guangdong province to the port in Shanghai, then travel via container ship to Seattle and then inland transportation to Detroit) process.
5.
Based on this case, do you think international purchasing is more or less complex than domestic purchasing? Why? Is it worth the additional effort?
Ans: It is definitely more complex than domestic purchasing as a host of costs and risks are involved including warehousing cost, cost to maintain safety stocks, unit prices do not include international shipping costs, political risk, the risk of natural disasters. Also, international purchasing may lack cultural concurrence between the buyer and seller which might hinder relationship in the long run. Since, major players in the world market such as China have emerged as low-cost suppliers, business owners have discovered their profit margins can widen colossally, hence the shift from domestic to international markets for purchasing. Also, the instantaneous access to information between buyers and sellers worldwide has made it possible for buyers to meet the right supplier who meets all the specifications effectively and efficiently, therefore making it worth the buyers’ while to scour international supply markets in their respective industries and select the right supplier.