 
			 
			MCQOPTIONS
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				| 1. | A supply curve slopes upward because | 
| A. | an increase in price gives producers an incentive to supply a larger quantity. | 
| B. | the quantity supplied of most goods and services increases over time. | 
| C. | an increase in input prices increases supply. | 
| D. | as more is produced, total cost of production falls. | 
| Answer» B. the quantity supplied of most goods and services increases over time. | |