an inventory model

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AN INVENTORY MODEL SITI FATIMAH BINTI ZAKARIA 1120788 HALEEDA BINTI AMRAN 1120072 ROZAILA ADIBA BINTI RAZMI 1121370 SITI HAJAR BINTI MOHD HANAFI 1121634 NOR SYAMIMI FARHAH BINTI IBRAHIM 1120852

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for stochastic processes

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Page 1: An Inventory Model

AN INVENTORY MODEL

SITI FATIMAH BINTI ZAKARIA 1120788HALEEDA BINTI AMRAN 1120072ROZAILA ADIBA BINTI RAZMI 1121370SITI HAJAR BINTI MOHD HANAFI 1121634NOR SYAMIMI FARHAH BINTI IBRAHIM1120852

Page 2: An Inventory Model

DEFINITION• Mathematical equation or formula 

that helps a firm to determine the economic order quantity, and the frequency of ordering.• To keep goods or services flowing

to the customer without interruption or delay.

Page 3: An Inventory Model

• S : Maximum number of stock• s : Minimum number of stock• If stock < s , restock. stock > s , no replenishment

How does it work?

Page 4: An Inventory Model

nX

n

: The quantity on hand at the end of period n just prior to restocking.

: The quantity demanded in the nth period

0ka and

0

1k

ka

Page 5: An Inventory Model

10 =

0 =

6 =

-1 =

2 =

Page 6: An Inventory Model

FORMULA :

EXAMPLE

Page 7: An Inventory Model

- THE END-