The A1 chip's economic order quantity is between 250 and 280 units.
Economic Order Quantity (EOQ), also known as Economic Buying Quantity (EPQ), is the order quantity in inventory management that minimizes overall holding costs and ordering expenses. It is one of the most ancient traditional production scheduling models. EOQ applies only when a product's demand is constant throughout the year and each new order is supplied in full when inventory approaches zero. Each order has a set cost, regardless of the number of units purchased; every order is presumed to contain only one unit.
D = 12000 x 320/365
H = 20
S = 75
EOQ = between 250 and 280 units
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