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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Consider the inventory situation with the following features:
• Single item
• Constant demand rate
• Instantaneous replenishment
• No shortage allowed
Notations to be used:
Co = the cost of placing one order, i.e. the set-up cost;
Ch = the holding cost per item per unit time;
Y = the order quantity; and
D = demand rate for an item
a. Draw at least 4 cycles of the inventory variations against time, indicating the maximum inventory level and the cycle time.
b. Decide the expression for the total inventory cost.
c. Determine “how much to order” every time an order is placed.
d. Determine “when to order” in terms of inventory position R, assuming the lead time is L.
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