Southeastern Bell stocks a certain switch connector at its central warehouse for supplying field service offices. The yearly demand for these connectors is $14,100$ units. Southeastern estimates its annual holding cost for this item to be $$$$24$ per unit. The cost to place and process an order from the supplier is $$$$75.$ The company operates $300$ days per$$ year, and the lead time to receive an order from the supplier is $3$ working days.

Part $2$

$$a$)$ What is the economic order$$ quantity? $297297$ units $($round your response to the nearest whole$$ number$).$

Part $3$

$$b$)$ What are the annual holding$$ costs? $$$enter your response here $($round your response to the nearest whole$$ number$).$