s points You are the operations Manager of a firm that uses the model for inventory control Suppose the firm operates wet ayew days and the following that Its primary item Demand - 25.000 unts/year Ordering cost $30/order Holding Costunityear Here is the th equation from your inventory Management to 205 4. Economic order quantity: 500 - H What is the economic order quantity for this item? a a fewer than units b Between 400 and 450 units Oc Between 450 and 500 units Od Greater than 500 units