Which of the Following Is TRUE of Inventory Level

Which of the following is TRUE of inventory level?

A) A purchasing manager would purchase higher inventories when prices are low and lower inventories when prices are high irrespective of inventory requirement.
B) A marketing manager would like to have smaller inventories of finished products to ensure production of goods as per customer specification.
C) A financial manager would keep inventory levels low to ensure that the firm's money is not unwisely invested in excess resources.
D) A manufacturing manager would keep raw materials inventories low to ensure use of latest materials in production process.