18.Duringsupplychainplanning,whichfourplansarecreated?
A. demandforecast,logisticsplan,productionplan,supplierplan
B. needsanalysis,logisticsplan,productionplan,sourcingplan
C. needsanalysis,transportationplan,outsourcingplan,partnershipplan
D. demandforecast,transportationplan,productionplan,sourcingplan