break-even-analysisgarth company sells a single

Question

Break-even-analysis

Garth Company sells a single product. If the selling price per unit and the variable expense per unit both increase by 10% and fixed expenses do not change, then:
   Contribution  Contribution  Break-even 
  Margin per unit margin ratio  in Units 
A Increases  Increases  Decreases 
B No change  No change  No change 
C  No change  Increases  No change 
D  Increases  No change  Decreases 

Choose one answer. 
 
a. A  
 
b. B  
 
c. C  
 
d. D