| 
                 
                    Closing price on 1/8/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    20.00 | 
                 
                
                    | High | 
                    20.40 | 
                 
                
                    | Low | 
                    20.00 | 
                     
                
                    | Volume | 
                    280 | 
                                 
                
                    | Split-adjusted Price | 
                    4.89 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
ACC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                1/8/2018
             | 
            
                -0.10 / -0.49%
             |             
            
                20.00
             |           
            
                20.40
             |               
            
                20.00
             |                           
            
                20.40
             | 
            
                20.20
             |                     
            
                4.89
             |                                 
            
                280
             |            
            
                 
             |                                       
         
    
        
            | 
                1/5/2018
             | 
            
                0.00 / 0.00%
             |             
            
                20.50
             |           
            
                20.50
             |               
            
                20.50
             |                           
            
                20.50
             | 
            
                20.50
             |                     
            
                4.92
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/4/2018
             | 
            
                +0.10 / +0.49%
             |             
            
                20.20
             |           
            
                20.50
             |               
            
                20.00
             |                           
            
                20.50
             | 
            
                20.11
             |                     
            
                4.92
             |                                 
            
                1,840
             |            
            
                 
             |                                       
         
    
        
            | 
                1/3/2018
             | 
            
                +0.30 / +1.49%
             |             
            
                20.10
             |           
            
                20.50
             |               
            
                20.10
             |                           
            
                20.40
             | 
            
                20.20
             |                     
            
                4.89
             |                                 
            
                990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/2/2018
             | 
            
                -0.10 / -0.50%
             |             
            
                20.20
             |           
            
                20.50
             |               
            
                20.10
             |                           
            
                20.10
             | 
            
                20.45
             |                     
            
                4.82
             |                                 
            
                1,320
             |            
            
                 
             |                                       
         
    
        
            | 
                12/29/2017
             | 
            
                -0.20 / -0.98%
             |             
            
                20.60
             |           
            
                20.60
             |               
            
                20.20
             |                           
            
                20.20
             | 
            
                20.40
             |                     
            
                4.85
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/28/2017
             | 
            
                0.00 / 0.00%
             |             
            
                20.40
             |           
            
                20.40
             |               
            
                20.00
             |                           
            
                20.40
             | 
            
                20.19
             |                     
            
                4.89
             |                                 
            
                1,040
             |            
            
                 
             |                                       
         
    
        
            | 
                12/27/2017
             | 
            
                -0.10 / -0.49%
             |             
            
                20.30
             |           
            
                21.00
             |               
            
                20.00
             |                           
            
                20.40
             | 
            
                20.20
             |                     
            
                4.89
             |                                 
            
                3,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/26/2017
             | 
            
                +0.30 / +1.49%
             |             
            
                20.20
             |           
            
                20.50
             |               
            
                20.20
             |                           
            
                20.50
             | 
            
                20.35
             |                     
            
                4.92
             |                                 
            
                30
             |            
            
                 
             |                                       
         
    
        
            | 
                12/25/2017
             | 
            
                -0.15 / -0.74%
             |             
            
                20.00
             |           
            
                20.40
             |               
            
                20.00
             |                           
            
                20.20
             | 
            
                20.04
             |                     
            
                4.85
             |                                 
            
                5,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/22/2017
             | 
            
                -0.05 / -0.25%
             |             
            
                20.10
             |           
            
                20.35
             |               
            
                20.00
             |                           
            
                20.35
             | 
            
                20.20
             |                     
            
                4.88
             |                                 
            
                3,710
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2017
             | 
            
                -0.10 / -0.49%
             |             
            
                20.40
             |           
            
                20.40
             |               
            
                20.10
             |                           
            
                20.40
             | 
            
                20.33
             |                     
            
                4.89
             |                                 
            
                270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/20/2017
             | 
            
                0.00 / 0.00%
             |             
            
                20.50
             |           
            
                20.50
             |               
            
                20.50
             |                           
            
                20.50
             | 
            
                20.50
             |                     
            
                4.92
             |                                 
            
                60
             |            
            
                 
             |                                       
         
    
        
            | 
                12/19/2017
             | 
            
                -0.20 / -0.97%
             |             
            
                20.70
             |           
            
                20.70
             |               
            
                20.00
             |                           
            
                20.50
             | 
            
                20.20
             |                     
            
                4.92
             |                                 
            
                4,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/18/2017
             | 
            
                +0.30 / +1.47%
             |             
            
                20.70
             |           
            
                20.70
             |               
            
                20.60
             |                           
            
                20.70
             | 
            
                20.68
             |                     
            
                4.96
             |                                 
            
                1,010
             |            
            
                 
             |                                       
         
    
        
            | 
                12/15/2017
             | 
            
                +0.40 / +2.00%
             |             
            
                20.90
             |           
            
                20.90
             |               
            
                20.00
             |                           
            
                20.40
             | 
            
                20.18
             |                     
            
                4.89
             |                                 
            
                5,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/14/2017
             | 
            
                -1.00 / -4.76%
             |             
            
                21.00
             |           
            
                21.00
             |               
            
                20.00
             |                           
            
                20.00
             | 
            
                20.04
             |                     
            
                4.80
             |                                 
            
                8,930
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2017
             | 
            
                -0.30 / -1.41%
             |             
            
                21.00
             |           
            
                21.00
             |               
            
                20.00
             |                           
            
                21.00
             | 
            
                20.30
             |                     
            
                5.04
             |                                 
            
                3,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/12/2017
             | 
            
                0.00 / 0.00%
             |             
            
                21.30
             |           
            
                21.30
             |               
            
                21.30
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                5.11
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                12/11/2017
             | 
            
                +0.30 / +1.43%
             |             
            
                21.00
             |           
            
                21.30
             |               
            
                21.00
             |                           
            
                21.30
             | 
            
                21.15
             |                     
            
                5.11
             |                                 
            
                310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/8/2017
             | 
            
                0.00 / 0.00%
             |             
            
                21.00
             |           
            
                21.00
             |               
            
                21.00
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                5.04
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2017
             | 
            
                -0.40 / -1.87%
             |             
            
                20.80
             |           
            
                21.00
             |               
            
                20.70
             |                           
            
                21.00
             | 
            
                20.90
             |                     
            
                5.04
             |                                 
            
                4,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2017
             | 
            
                +0.10 / +0.47%
             |             
            
                21.00
             |           
            
                21.50
             |               
            
                20.80
             |                           
            
                21.40
             | 
            
                21.00
             |                     
            
                5.13
             |                                 
            
                8,570
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2017
             | 
            
                -0.60 / -2.74%
             |             
            
                21.50
             |           
            
                21.50
             |               
            
                21.00
             |                           
            
                21.30
             | 
            
                21.03
             |                     
            
                5.11
             |                                 
            
                9,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/4/2017
             | 
            
                -0.10 / -0.45%
             |             
            
                21.50
             |           
            
                22.40
             |               
            
                21.50
             |                           
            
                21.90
             | 
            
                21.83
             |                     
            
                5.25
             |                                 
            
                3,540
             |            
            
                 
             |                                       
         
    
        
            | 
                12/1/2017
             | 
            
                0.00 / 0.00%
             |             
            
                22.00
             |           
            
                22.00
             |               
            
                21.50
             |                           
            
                22.00
             | 
            
                21.95
             |                     
            
                5.28
             |                                 
            
                4,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2017
             | 
            
                -0.20 / -0.90%
             |             
            
                21.45
             |           
            
                22.20
             |               
            
                21.45
             |                           
            
                22.00
             | 
            
                21.47
             |                     
            
                5.28
             |                                 
            
                1,190
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2017
             | 
            
                +0.50 / +2.30%
             |             
            
                21.60
             |           
            
                23.00
             |               
            
                21.45
             |                           
            
                22.20
             | 
            
                21.67
             |                     
            
                5.32
             |                                 
            
                5,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/28/2017
             | 
            
                -0.10 / -0.46%
             |             
            
                21.70
             |           
            
                21.70
             |               
            
                21.30
             |                           
            
                21.70
             | 
            
                21.59
             |                     
            
                5.20
             |                                 
            
                5,330
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2017
             | 
            
                +0.80 / +3.81%
             |             
            
                22.10
             |           
            
                22.10
             |               
            
                21.00
             |                           
            
                21.80
             | 
            
                21.03
             |                     
            
                5.23
             |                                 
            
                11,300
             |  
            
                 
             |                                                              
             
    
         
    
    
 |