|  
 
|  |  |   
| 4 | method used by society to make and sell goods |   
| 5 | competitive price cuts |   
| 6 | one's own personal gain |   
| 7 | level of economic prosperity |   
| 8 | company to change prices and output |   
| 9 | affect the people who have no control over how much |   
| 10 | making a product different from others |   
| 11 | lowest price |   
| 12 | encourage competition |   
|  |  |  
 
|  |  |   
| 1 | sudden shortage of a good |   
| 2 | sell to individuals state-run firms |   
| 3 | large number of firms all produce the same product |   
|  |  |