Matthew? Liotine's Dream Store sells water beds and assorted supplies. His? best-selling bed has an annual demand of 410 units. Ordering cost is ?$36?; holding cost is ?$55 per unit per year.
?a) To minimize the total? cost, how many units should be ordered each time an order is? placed?
EOQ? = ______ units ?(round your response to the nearest whole? number).