LAB 6 Inventories and Short Term Credit Economic Order Quantity Green Thumb Garden Centers sells 240,000 bags of lawn fertilizer annually. The optimal safety stock [which is on hand initially) is 1,200 bags. Each bag costs Green Thumb $ 4, inventory carrying costs are 20 percent, and the cost of placing an order with its supplier is $ 25. a. What is the economic ordering quantity i EGQ}