Demand is likely changing in any business. For example, you probably do not buy exactly the same amount of product at the same place on the same day $-$ do you? How do planners often manage demand variation in a Make to Stock environment to assure they meet Customer Service Level targets?

A$.$ increasing the EOQ.

B$.$ raising the selling price to reduce demand.

C$.$ reducing the reorder point.

D$.$ spreading annual demand over more frequent, but smaller, orders.

E$.$ adding safety stock.