Thomas Kratzer is the purchasing manager for the headquarters of a large insurance company chain with a central inventory operation. Thomas's fastest-moving inventory item has a demand of units per year. The cost of each unit is $, and the inventory carrying cost is $ per unit per year. The average ordering cost is $ per order. It takes about days for an order to arrive, and the demand for 1 week is units. (This is a corporate operation, and there are working days per year). a) What is the EOQ? nothing units (round your response to two decimal places).