please please please answer all!

Southeastern Bell stocks a certain switch connector at its central warehouse for supplying field service offices. The yearly demand for these connectors is 14,000 units. Southeastern estimates its annual holding cost for this item to be $23 per unit. The cost to place and process an order from the supplier is $77. The company operates 300 days per year, and the lead time to receive an order from the supplier is 3 working days. a) What is the economic order quantity? units (round your response to the nearest whole number). Thomas Kratzer is the purchasing manager for the headquarters of a large insurance company chain with a central inventory operation. Thomas's fastest-moving inventory item has a demand of 5,950 units per year. The cost of each unit is $103, and the inventory carrying cost is $9 per unit per year. The average ordering cost is $31 per order. It takes about 5 days for an order to arrive, and the demand for 1 week is 119 units. (This is a corporate operation, and there are 250 working days per year). a) What is the EOQ? units (round your response to two decimal places). Joe Henry's machine shop uses 2,450 brackets during the course of a year. These brackets are purchased from a supplier 90 miles away. The following information is known about the brackets: a) What is the EOQ? units (round your response to two decimal places)