The They Hatch'em, You Scratch'em, We Catch'e, Pet products company has an annual demand of 2,000 flea collars. Each collar costs $1.75 in quantities of less than 700 and $1.35 in quantities of 700 of more. Ordering costs are $12.00 per order. Holding costs of inventory are 24% of the purchase price per year. How much should be ordered each time to minimize total cost?