MCQOPTIONS
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				| 1. | 
                                    Which one is the assumption of law of demand | 
                            
| A. | Price of the commodity should not change | 
| B. | Quantity demanded should not change | 
| C. | Prices of substitutes should not change | 
| D. | Demand curve must be linear | 
| Answer» D. Demand curve must be linear | |