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The Inventory Cycle Er.Sartaj Singh Bajwa Profile of Inventory Level Over Time Quantity on hand Q Receive order Place order Receive order Place order Receive order Lead time Reorder point Usage rate Time
Total Cost ACC = average number of units * carrying cost per unit per year AOC = (number of orders per year) * (ordering cost) Number Of Orders per year = annual demand(D) ordered quantity(Q) Average number of Units = Q/2 Er.Sartaj Singh Bajwa Annual carrying cost Annual ordering cost Total cost = + Q 2 H D Q S TC = +
Cost Minimization Goal Order Quantity (Q) The Total-Cost Curve is U-Shaped Ordering Costs Q O Annual Cost ( optimal order quantity) Er.Sartaj Singh Bajwa
A toy manufacturer uses approximately 32,000 silicon chips annually. The chips are used at a steady rate during the 240 days a year that the plant operates. Annual holding cost is $3 per chip, and ordering cost is $120. Determine