Which of the Following Is One of the Manufacturer's Disadvantage of Using

Multiple Choice

Which of the following is one of the manufacturer's disadvantage of using price-offs? 

A)   the retailer must provide display materials to announce the price-off label offer 
B)   there must be a hiatus of at least 45 days between price-off label promotions on any given brand size 
C)   they can be used only on new products 
D)  retailers often dislike price-offs 
E)  All of these are correct.