2. Selected Financial Data for Manufacturers, Wholesalers, and Retailers for 1997 ($Millions)Note: Ending inventory figures are used for inventory investment. All figures are for 1997.
3. Cost Trade-offs in Marketing and LogisticsProductOrder processing
and information
costs
Inventory
carrying costs
Place/customer
service levelsOrder processing
and information
costsPriceLot quantity costsWarehousing costsTransportation
costsLOGISTICSMARKETING
4. Components of Inventory Carrying Costs Capital
Inventory service
Storage space
Inventory risk
5. Inventory Positions in the Manufacturer’s Logistics System
Finished goodsinventoryin field
Finished goodsinventoryat plant
Rawmaterialsinventory
In-processinventory
Assumptions: A one-time increase (decrease) in finished goods inventory results in a one-time increase (decrease) in raw materials purchased.
6. Normative Model of Inventory Carrying Cost MethodInventory
carrying
costsInventory investmentInsuranceTaxesObsolescencePilferageStoragespace costsCapitalcostsInventoryservicecostsInventoryrisk costsPlant warehousesPublic warehousesRented warehousesCompany-owned warehousesDamageRelocation costs
7. Adjusting the Cost of Money to Fit the Method of Inventory ValuationOne MethodAnother methodInventory at full costVariable cost is 80% of full costInventory at variable costCost of money before tax is 30%Cost of money associated with theinventory investment$10,000,000 x 80%$8,000,000 x 30% $2,400,000Cost of money before taxVariable cost is 80% of full costInventory at full costAdjusted cost of moneyCost of money associated with theinventory investment30% 80%$10,000,000 x 24% $2,400,000
9. 123456789101112131415$750,000375,000250,000187,500150,000125,000107,14393,75083,33375,00068,18262,50057,69253,57150,000$300,000150,000100,00075,00060,00050,00042,85737,50033,33330,00027,27325,00023,07721,42820,000$150,00050,00025,00015,00010,0007,1435,3574,1673,3332,7272,2731,9231,6491,428InventoryTurnsAverageInventoryCarrying Costat 40 PercentCarrying CostSavingsThe Impact of Inventory Turns on Inventory Carrying Costs
10. Relationship Between Inventory Turns and Inventory Carrying CostsInventory Turns$300,000123456789101112131415$250,000$200,000$175,000$150,000$125,000$100,000$75,000$50,000$37,500$25,0000Inventory carrying costs$225,000$275,000Source: Douglas M. Lambert, and Robert H. Quinn, “Profit Oriented Inventory Policies Require a Documented Inventory Carrying Cost,” Business Quarterly 46, no. 3 (Autumn 1981), p.65.
11. Annual Inventory Carrying Costs Compared to Inventory TurnoversVariable Manufacturing CostCarrying Cost %Annual Cost to Carry in InventoryMonthly Cost (1/12)$100x 30%$30$2.50Inventory TurnsInventory carrying costs (per unit)12345678910111215.0012.5010.007.505.003.752.500$30.006.00
12. Inventory Positions and Major Flows in a Supply ChainVariable costof productFull manufac-tured costSellingprice $5 $7$10Variable costof materialAcquisitioncostOther variablecostsTotal variablecost of productFull manufac-tured costSellingprice $10 $1 $14 $25 $40$60Variable costof productOther acquisitioncostsSellingprice$60 $2$70Variable costof productOther acquisitioncostsSellingprice $70 $2$120SuppliersWholesalersRetailersManufacturerOrdersPaymentsInformationProductOrdersPaymentsInformationProductOrdersPaymentsInformationProductSource: Adapter from Douglas M. Lambert, and Mark L. Bennion, “New Channel Strategies for the 1980’s,” in Marketing Channels: Domestic and International Perspectives, ed. Michael G. Harvey and Robert F. Lusch (Norman: Center for Economic and Management Research, School of Business administration, University of Oklahoma, 1982), p. 127.