Envanter modellerinde optimum siparif miktarmm belirlenmesinde bir

n mventory models, v/hen determinmg the optimum order qucmtity,one-term total cost function ıs used. This cost function isformed by addmg purchasecosl, holding cost and ftf il can be calculated) shortage cosl. The slochasUc inventorymodels lake into account the condition of the demand guanüty and/or the lead timebeing stochastic or not.in this study, in constant lead lime and stochaslic mventory model mth changıngdemand raîe, the determination of optimum order quantity is researched. By adding theshortage cost to the model directly, hav the optimum order quanlity and maximumshortage îeveî ıs affected, in comparison with deterministic models is invesîigated.