MCQOPTIONS
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				| 1. | 
                                    When the perfectly competitive firm and industry are in long run equilibrium, then? | 
                            
| A. | P = MR = SAC = LAC | 
| B. | D = MR = SMC = LMC | 
| C. | P = MR = Lowest point on the LAC curve | 
| D. | All of the above | 
| Answer» E. | |