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Problem 3.14 - The Molokai Nut Company Production Planning Problem
Whole Cluster Crunch RoastedPounds produced 1000 500 80 200Min Req'd 1000 400 0 0Max Needed 500 150 200
Unit Selling Price $5.00 $4.00 $3.20 $4.50Unit Variable Cost $3.15 $2.60 $2.16 $3.10Unit Profit Margin $1.85 $1.40 $1.04 $1.40
Total Profit $2,913.20
Machine Use Minutes required per pound Used Hulling 1.00 1.00 1.00 1.00 1780 Roasting 2.00 1.50 1.00 1.75 3180
Coating 1.00 0.70 0.20 0.00 1366 Packaging 2.50 1.60 1.25 1.00 3600
Direct Materials Ingredients required per pound Used Nuts 0.60 0.40 0.20 1.00 1016 Chocolate 0.40 0.60 0.80 0.00 764
Available3600 minutes3600 minutes3600 minutes3600 minutes
Available1100800
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Problem 3.18- Valu-Com Electronics Production Planning Problem
HyperLink FastLink SpeedLink MicroLink EtherLinkQuantity Made 500 1000 1500 2250 500Minimum Req'd 500 500 500 500 500
2
1000
Selling Price $189.00 $149.00 $129.00 $169.00 $139.00 Manuf. Cost $136.00 $101.00 $96.00 $137.00 $101.00
Profit Margin $53.00 $48.00 $33.00 $32.00 $38.00
Per Unit RequirementsHyperLink FastLink SpeedLink MicroLink EtherLink
PC Board (sq in) 20 15 10 8 5Resistors 28 24 18 12 16Memory chips 8 8 4 4 6Assembly Hours 0.75 0.6 0.5 0.65 1
Ratio of FastLinks to HyperLinks:
Required FastLink production given HyperLink production:
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Total Profit
$215,000.00
Used Available60,500 80,000 sq.in.
100,000 100,000 resistors30,000 30,000 chips3,688 5,000 hours
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Problem 3.20- Weedwacker Company Make or Buy Problem
Electric GasNumber to Make 30,000 10,000
Number to Buy 0 5,000
Cost to Make $55 $85
Cost to Buy $67 $95 Total Cost $2,975,000
Total Available 30,000 15,000Total Needed 30,000 15,000
Dept Processing Hours Req'd per Unit Used AvailableProduction 0.20 0.40 10,000 10,000 hoursAssembly 0.30 0.50 14,000 15,000 hoursPackaging 0.10 0.10 4,000 5,000 hours
Problem 3.25- Maintenance Labor Scheduling Problem
Time Period (T.P.) Shift 1 Shift 2 Shift 3 Shift 4 Shift 5 Shift 612 am to 4 am 1 1 4 am to 8 am 1 1 8 am to 12 pm 1 112 pm to 4 pm 1 1 4 pm to 8 pm 1 1 8 pm to 12 am 1 1
90 250 0 175 125 0Total Employees: 640
Employees Assigned to
Shift:
90 90 0340 215 125250 250 0175 165 10300 300 0125 125 0
Employees Scheduled
Minimum Employees Needed
Surplus Employees Scheduled