Oats are used in a lot of eatables including breakfast cereals and biscuits. The price increases or decreases according to the demand of the related products. In 2011, the rate of oats is $0.10 to $0.20 per bushel. The cost also changes according to the seasons. Like most other products, the cost deceases if a higher quantity is purchased by the customer. The bushels of oats are also categorized into heavy, extra heavy and par categories.