Plz help and explain !!!!

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 hem has a demand of 5,850 units per year. The cost of each unit is $96, and the inventory carrying cost is $8 per unit per year. The average ordering cost is $29 per order. It takes about 5 days for an order to arrive, and the demand for 1 week is 117 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). b) What is the average inventory is the EOQ is used? units (round your response to two decimal places). c) What is the optimal number of orders per year? orders (round your fesponse to two decimal places). d) What is the annual cost of ordering and holding inventory (excluding product cost)?s per year (round your response to two decimal places)