The Gentry Garden Center sells 90,000 bags of lawn fertilizer annually. The optimal safety

stock (which is on hand initially) is 1,000 bags. Each bag costs the firm $1.50, inventory

carrying costs are 20%, and the cost of placing an order with its supplier is $15.

a. What is the Economic Ordering Quantity?

b. What is the maximum inventory of fertilizer?

c. What will be the firms average inventory?

d. How often must the company order?