Average demand for a particular item is 1,200 units per year. It costs $100 to place an order for this item, and it costs $6 to hold one unit of this item in inventory for one year. If the fixed-order-interval model is chosen in this instance, how often (on average) will this item be ordered?

Multiple Choice

three times every two months

once every three months

twice a month

once every other month

once a month