Which of the Following Are Legitimate Costs of Doing Business

Which of the following are legitimate costs of doing business for a large,multistore supermarket chain that takes on a new brand? 

A)  Make space for that new brand in its distribution center. 
B)  Create a new entry in its computerized inventory system. 
C)  Possibly redesign store shelves. 
D)  Notify individual stores about the new SKU. 
E)  All of these are correct.