| [ A ]    income of consumer should not change | 
              |
| [ B ] price of other goods should not change | |
| [ C ] taste of consumer should not change | |
| [ D ] All of the above | ![]()  | 
            
| [ A ]    income of consumer should not change | 
              |
| [ B ] price of other goods should not change | |
| [ C ] taste of consumer should not change | |
| [ D ] All of the above | ![]()  | 
            
| Answer : Option D | 
| Explanation : | 
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