Please don't give doubtful answer give only sure answer

17. Which one of the following factors can create pressure for larger inventories? a) Transportation cost. b) Interest or opportunity cost. c) Insurance premiums. d) Storage and handling cost. 18. Which one of the following is a reason to have small inventories? a) To improve customer service. b) To reduce ordering costs c) To reduce equipment setup costs d) To reduce interest expense or opportunity costs. 19. Which one of the following is the primary lever for reducing cycle inventory? a) Leveling out demand rates. b) Reducing lead time c) Reducing the batch size Q d) Improve forecasting. 20. What is true in explaining ABC analysis? a) This process divides items into three classes according to their inventory level. b) Class A items normally have the least dollar usage. c) Class B and class C account for most of inventory items but not dollar usages. d) Class C accounts for the largest dollar usage of any class