Which of the following information is NOT needed to find Economic order Quantity (EOQ)?

Profit margin

The correct answer is option (4) - Profit margin.

The information that is NOT needed to find Economic Order Quantity (EOQ) is: Profit margin

Profit margin is not a factor directly considered in the calculation of Economic Order Quantity (EOQ). EOQ primarily involves annual demand, ordering cost, and carrying cost to determine the optimal order quantity that minimizes the total cost of inventory. 

The EOQ formula primarily considers three factors: annual demand,  ordering cost , and carrying cost. It utilizes these factors to determine the optimal order quantity that minimizes the total cost associated with inventory management.