Answer :
Answer:
The correct answer is letter "B": Variation in both demand and lead time exists, and is known.
Explanation:
The Economic Order Quantity (EOQ) is a method to keep track of inventory based on several assumptions. According to the EOQ demand is known, constant and independent; lead time is known and constant; inventory receipts are immediate and complete; discounts on amounts are not feasible; and, stock-outs can be avoided absolutely.