When Laura uses the Economic Order Quantity (EOQ) approach to determine the inventory 'lot-size' for her coffee shop, she remembers a set of underlying assumptions of EOQ. Which of the following is NOT among the set of assumptions underlying the EOQ model? Known and constant customer demand Known and constant supply lead time Instantaneous receipt of material No quantity discounts from a supplier Known and constant lot size Laura has been using the EOQ model to determine an optimal lot size to order for bales of coffee for her coffee shop. The purchased coffee has been stored in a huge leased warehouse in downtown Albany. This year, the cost of leasing the temperature-controlled warehouse is lower than that of last year. Hence, everything else being equal, Laura should use, for this year, a new EOQ level that is compared with that (i.e., the EOQ level) used during the last year. O Higher Lower Equal to It depends