My answer - 
it determines how much
they charge you in interest if you carry a balance. Lower is better.
The percentage interest is what they charge you each month, “annual
percentage rate” is what you’re paying if you keep that balance for a
year. It’s slightly different because in that year, you’re also paying
interest on the amount of interest (compound interest) you owe in the
previous months.
Not carrying a balance means that you don’t pay interest.
p.s
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A is the answer
Because the rest do not make sense
 
        
             
        
        
        
A. True in a dutch interenet auction the highest price wins
        
             
        
        
        
Business majors learn how to research information using quantitative skills, and then develop ideas based on that information to solve problems. 
Business also involves people — customers and employees — so communication and interpersonal skills are vitally important as well.