Southeastern Bell stocks a certain switch connector at its central

warehouse for supplying field service offices. The yearly demand for

these connectors is $15,000$ units. Southeastern estimates its annual

holding cost for this item to be $$25$ per unit. The cost to place and

process an order from the suppliers is $$75.$ The company operates $300$

days per year and the lead time to receive an order from the supplier is $2$

working days