any help is appreciated

The Boston store of BabyStuff, a fictional U.S. children apparel retailer, is striving to improve its inventory management. The store estimates that its monthly demand rate is 320 units. Each order costs a fixed administrative expense of $125, which is independent of the order quantity. The unit holding cost is $4.5 per unit per month. Assume that there is no seasonality in demand and the lead time is zero. The economic order quantity BabyStuff should use (Round your answer to the nearest integer) The corresponding cost C(O) - $ (Round your answer to the nearest integer)