I would like some help with this problem!

Diagnostic Supplies has expected sales of 184,900 units per year, carrying costs of $3 per unit, and an ordering cost of $6 per order. a. What is the economic ordering quantity? Economic ordering quantity units b-1. What is the average inventory? Average inventory units b-2. What is the total carrying cost? Total carrying cost Assume an additional 80 units of inventory will be required as safety stock. c-1. What will the new average inventory be? Average inventory units c-2. What will the new total carrying cost be? Total carrying cost