Andre Candess manages an office supply store. One product in the store is computer paper. Andre knows that 10,000 boxes will be sold this year at a constant rate throughout the year. There are 250 working days per year and the lead-time is 3 days. The holding cost is $15 per box per year. Andre orders 500 boxes each time he orders from his supplier. If his total relevant inventory cost = holding cost + ordering cost is $4,350, what is his cost for each order