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This paper extends Naddor's (T,Si) model: when purchasing
,ordering, carrying, and deteriorating, there are constant
costs over the planning period which inflation is not consid-
ered in desigining the inventory policy. Previously, Buzacott
developed a modelling inflation that assume the constant inf-
lation rate. Buzacott pointed two cases in the derivation
inventory. First, the price is subject to the same inflation as
cost, second, the price is dependent on the ordering poli- cy.
The numerical examples have been considered based on two cases
developed by Buzacott. Three sensitivity analyses have also
been discussed here. The model developed in this paper can be
utilized in inv- entory control on certain consumable goods,
grains, photogra- phic films, electronic components, radio-
activity materials and waste paper etc.
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