While working a simple EOQ problem, you notice that, with a certain lot size, the annual ordering cost is exactly the same value as the annual inventory carrying cost. Which of the following is true?

Group of answer choices

- the annual carrying cost will decrease if the order quantity is increased

- total cost is at its maximum

- none of the above/below; it is merely a coincidence

- all of the above/below

- total cost is at its minimum