Answer:
B. A receipt. 
Explanation:
A receipt is normally given to the person after he or she purchased something, in case if the person wants a refund or etc he can use the receipt for evidence to be able to do so. 
 
        
             
        
        
        
Ya know what the gym did you put for the first week in the short drive through it
        
             
        
        
        
Answer:
B. List Operational Costs
Explanation:
 
        
             
        
        
        
Answer:
Consumer surplus is $15.99. 
Explanation:
Melanie decided to buy a coat priced $79.95.  
When she brought a coat to the sales clerk, she found out that it is on a 20% discount and she has to $15.99 less than the original price.  
This means that her consumer surplus is at least $15.99.  
The consumer surplus is the difference between the maximum price a consumer is willing to pay and the price it actually pays.  
Melanie was willing to pay $79.95. But she actually paid $63.96. The difference between the two is $15.99.  
 
        
             
        
        
        
<span>control function of communication.
  The functions of communication in an organization are to inform, persuade, and motivate. The second function of communication is the persuasion of employees through source credibility, emotional appeal, and social and ego needs.</span>