I want to say A.) to protect consumers from purchasing poor quality products.  but I'm also debating on letter B. 
I hope this helps
 
        
                    
             
        
        
        
In a unitary system of government local offices are subject to the central authority, which in your case the answer would be must follow decisions made by the central government. Hope this helped!
        
             
        
        
        
Answer:
A. One owner
Explanation:
A proprietorship, also called a <em>sole</em> proprietorship, has a single owner.