8 (5 points) Consider a firm that uses a continuous review policy to manage its inventory and places orders in lot sizes of 1000. To improve customer service level and fill rate performance, the firm has decided to increase their order size to 1200, from the current 1000. As a result of this change in the order size, A. Both customer service level and fill rate will improve. B. Customer service level will improve, but fill rate will not be affected. C. Customer service level will not be affected, but fill rate will improve. D. Neither customer service level nor fill rate will be affected