MCQOPTIONS
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				| 1. | 
                                    _ A necessity is defined as a good having$? | 
                            
| A. | A positive income elasticity of demand | 
| B. | A negative income elasticity of demand | 
| C. | An income elasticity of demand between zero and 1 | 
| D. | An income elasticity of more than 1 | 
| Answer» D. An income elasticity of more than 1 | |