| 
                 
                    Closing price on 9/19/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    24.00 | 
                 
                
                    | High | 
                    24.00 | 
                 
                
                    | Low | 
                    23.70 | 
                     
                
                    | Volume | 
                    830 | 
                                 
                
                    | Split-adjusted Price | 
                    4.04 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
ACC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/19/2013
             | 
            
                -0.30 / -1.25%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                23.70
             |                           
            
                23.70
             | 
            
                23.70
             |                     
            
                4.04
             |                                 
            
                830
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2013
             | 
            
                +0.10 / +0.42%
             |             
            
                23.90
             |           
            
                24.00
             |               
            
                23.90
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                4.09
             |                                 
            
                3,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/17/2013
             | 
            
                +0.20 / +0.84%
             |             
            
                24.50
             |           
            
                24.50
             |               
            
                23.30
             |                           
            
                23.90
             | 
            
                23.90
             |                     
            
                4.08
             |                                 
            
                1,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/16/2013
             | 
            
                -0.40 / -1.66%
             |             
            
                24.10
             |           
            
                24.10
             |               
            
                23.70
             |                           
            
                23.70
             | 
            
                23.70
             |                     
            
                4.04
             |                                 
            
                3,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2013
             | 
            
                -0.30 / -1.23%
             |             
            
                24.30
             |           
            
                24.30
             |               
            
                24.10
             |                           
            
                24.10
             | 
            
                24.10
             |                     
            
                4.11
             |                                 
            
                1,030
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2013
             | 
            
                +0.10 / +0.41%
             |             
            
                24.30
             |           
            
                24.40
             |               
            
                24.10
             |                           
            
                24.40
             | 
            
                24.40
             |                     
            
                4.16
             |                                 
            
                1,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/11/2013
             | 
            
                +0.10 / +0.41%
             |             
            
                24.30
             |           
            
                24.30
             |               
            
                24.30
             |                           
            
                24.30
             | 
            
                24.30
             |                     
            
                4.15
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2013
             | 
            
                +0.20 / +0.83%
             |             
            
                24.00
             |           
            
                24.20
             |               
            
                24.00
             |                           
            
                24.20
             | 
            
                24.20
             |                     
            
                4.13
             |                                 
            
                1,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/9/2013
             | 
            
                0.00 / 0.00%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                4.09
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2013
             | 
            
                0.00 / 0.00%
             |             
            
                23.70
             |           
            
                24.00
             |               
            
                23.70
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                4.09
             |                                 
            
                2,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/5/2013
             | 
            
                0.00 / 0.00%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                23.50
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                4.09
             |                                 
            
                210
             |            
            
                 
             |                                       
         
    
        
            | 
                9/4/2013
             | 
            
                +0.10 / +0.42%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                4.09
             |                                 
            
                1,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/3/2013
             | 
            
                -0.10 / -0.42%
             |             
            
                23.90
             |           
            
                23.90
             |               
            
                23.90
             |                           
            
                23.90
             | 
            
                23.90
             |                     
            
                4.08
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2013
             | 
            
                +0.10 / +0.42%
             |             
            
                23.70
             |           
            
                24.00
             |               
            
                23.70
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                4.09
             |                                 
            
                5,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/29/2013
             | 
            
                -0.40 / -1.65%
             |             
            
                24.10
             |           
            
                24.10
             |               
            
                23.90
             |                           
            
                23.90
             | 
            
                23.90
             |                     
            
                4.08
             |                                 
            
                2,480
             |            
            
                 
             |                                       
         
    
        
            | 
                8/28/2013
             | 
            
                -0.20 / -0.82%
             |             
            
                24.40
             |           
            
                24.40
             |               
            
                24.20
             |                           
            
                24.30
             | 
            
                24.30
             |                     
            
                4.15
             |                                 
            
                750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/27/2013
             | 
            
                0.00 / 0.00%
             |             
            
                24.50
             |           
            
                24.50
             |               
            
                24.50
             |                           
            
                24.50
             | 
            
                24.50
             |                     
            
                4.18
             |                                 
            
                130
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2013
             | 
            
                0.00 / 0.00%
             |             
            
                24.50
             |           
            
                24.50
             |               
            
                24.50
             |                           
            
                24.50
             | 
            
                24.50
             |                     
            
                4.18
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2013
             | 
            
                -0.10 / -0.41%
             |             
            
                24.30
             |           
            
                24.50
             |               
            
                24.00
             |                           
            
                24.50
             | 
            
                24.50
             |                     
            
                4.18
             |                                 
            
                2,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/22/2013
             | 
            
                +0.10 / +0.41%
             |             
            
                24.50
             |           
            
                24.60
             |               
            
                24.50
             |                           
            
                24.60
             | 
            
                24.60
             |                     
            
                4.20
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/21/2013
             | 
            
                +0.10 / +0.41%
             |             
            
                24.80
             |           
            
                24.80
             |               
            
                24.10
             |                           
            
                24.50
             | 
            
                24.50
             |                     
            
                4.18
             |                                 
            
                1,750
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2013
             | 
            
                -0.50 / -2.01%
             |             
            
                24.50
             |           
            
                24.50
             |               
            
                24.40
             |                           
            
                24.40
             | 
            
                24.40
             |                     
            
                4.16
             |                                 
            
                1,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2013
             | 
            
                +0.40 / +1.63%
             |             
            
                24.50
             |           
            
                24.90
             |               
            
                24.40
             |                           
            
                24.90
             | 
            
                24.90
             |                     
            
                4.25
             |                                 
            
                3,130
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2013
             | 
            
                -0.30 / -1.21%
             |             
            
                24.80
             |           
            
                24.80
             |               
            
                24.50
             |                           
            
                24.50
             | 
            
                24.50
             |                     
            
                4.18
             |                                 
            
                110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/15/2013
             | 
            
                -0.20 / -0.80%
             |             
            
                24.80
             |           
            
                24.90
             |               
            
                24.70
             |                           
            
                24.80
             | 
            
                24.80
             |                     
            
                4.23
             |                                 
            
                5,570
             |            
            
                 
             |                                       
         
    
        
            | 
                8/14/2013
             | 
            
                -0.20 / -0.79%
             |             
            
                24.90
             |           
            
                25.10
             |               
            
                24.90
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                4.27
             |                                 
            
                1,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2013
             | 
            
                +0.70 / +2.86%
             |             
            
                25.30
             |           
            
                25.30
             |               
            
                25.20
             |                           
            
                25.20
             | 
            
                25.20
             |                     
            
                4.30
             |                                 
            
                610
             |            
            
                 
             |                                       
         
    
        
            | 
                8/12/2013
             | 
            
                0.00 / 0.00%
             |             
            
                25.00
             |           
            
                25.00
             |               
            
                24.50
             |                           
            
                24.50
             | 
            
                24.50
             |                     
            
                4.18
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2013
             | 
            
                0.00 / 0.00%
             |             
            
                24.20
             |           
            
                24.50
             |               
            
                24.20
             |                           
            
                24.50
             | 
            
                24.50
             |                     
            
                4.18
             |                                 
            
                1,080
             |            
            
                 
             |                                       
         
    
        
            | 
                8/8/2013
             | 
            
                -0.90 / -3.54%
             |             
            
                25.40
             |           
            
                25.40
             |               
            
                24.50
             |                           
            
                24.50
             | 
            
                24.50
             |                     
            
                4.18
             |                                 
            
                4,600
             |  
            
                 
             |                                                              
             
    
         
    
    
 |