| 
                 
                    Closing price on 10/13/2020
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    5.60 | 
                 
                
                    | High | 
                    5.80 | 
                 
                
                    | Low | 
                    5.60 | 
                     
                
                    | Volume | 
                    3,000 | 
                                 
                
                    | Split-adjusted Price | 
                    3.27 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DSC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/13/2020
             | 
            
                -0.60 / -9.38%
             |             
            
                5.60
             |           
            
                5.80
             |               
            
                5.60
             |                           
            
                5.80
             | 
            
                5.79
             |                     
            
                3.27
             |                                 
            
                3,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/12/2020
             | 
            
                0.00 / 0.00%
             |             
            
                6.40
             |           
            
                6.40
             |               
            
                6.40
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                3.61
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/9/2020
             | 
            
                0.00 / 0.00%
             |             
            
                6.70
             |           
            
                6.70
             |               
            
                6.30
             |                           
            
                6.30
             | 
            
                6.37
             |                     
            
                3.55
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/8/2020
             | 
            
                +0.10 / +1.61%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.30
             |                           
            
                6.30
             | 
            
                6.32
             |                     
            
                3.55
             |                                 
            
                3,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/7/2020
             | 
            
                -0.50 / -7.46%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                3.50
             |                                 
            
                2,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/6/2020
             | 
            
                +0.70 / +11.67%
             |             
            
                5.50
             |           
            
                6.70
             |               
            
                5.20
             |                           
            
                6.70
             | 
            
                5.38
             |                     
            
                3.78
             |                                 
            
                3,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/5/2020
             | 
            
                -0.20 / -3.23%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                3.38
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/2/2020
             | 
            
                -0.30 / -4.76%
             |             
            
                5.60
             |           
            
                7.30
             |               
            
                5.60
             |                           
            
                6.00
             | 
            
                6.18
             |                     
            
                3.38
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/1/2020
             | 
            
                -0.90 / -12.50%
             |             
            
                6.50
             |           
            
                7.00
             |               
            
                6.30
             |                           
            
                6.30
             | 
            
                6.50
             |                     
            
                3.55
             |                                 
            
                12,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/30/2020
             | 
            
                +0.70 / +10.77%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                4.06
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/29/2020
             | 
            
                -0.10 / -1.52%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                3.66
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2020
             | 
            
                0.00 / 0.00%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.60
             |                     
            
                3.72
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/25/2020
             | 
            
                -0.30 / -4.29%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                5.40
             |                           
            
                6.70
             | 
            
                6.64
             |                     
            
                3.78
             |                                 
            
                3,500
             |            
            
                 
             |                                       
         
    
        
            | 
                9/24/2020
             | 
            
                +0.60 / +9.38%
             |             
            
                6.00
             |           
            
                7.00
             |               
            
                6.00
             |                           
            
                7.00
             | 
            
                6.30
             |                     
            
                3.95
             |                                 
            
                1,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/23/2020
             | 
            
                0.00 / 0.00%
             |             
            
                6.40
             |           
            
                7.00
             |               
            
                6.30
             |                           
            
                6.40
             | 
            
                6.45
             |                     
            
                3.61
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/22/2020
             | 
            
                0.00 / 0.00%
             |             
            
                6.40
             |           
            
                6.40
             |               
            
                6.40
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                3.61
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2020
             | 
            
                0.00 / 0.00%
             |             
            
                6.40
             |           
            
                6.40
             |               
            
                6.40
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                3.61
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2020
             | 
            
                0.00 / 0.00%
             |             
            
                6.40
             |           
            
                6.40
             |               
            
                6.40
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                3.61
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/17/2020
             | 
            
                +0.60 / +10.34%
             |             
            
                6.40
             |           
            
                6.40
             |               
            
                6.40
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                3.61
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/16/2020
             | 
            
                +0.20 / +3.57%
             |             
            
                6.40
             |           
            
                6.40
             |               
            
                5.80
             |                           
            
                5.80
             | 
            
                6.38
             |                     
            
                3.27
             |                                 
            
                3,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/15/2020
             | 
            
                0.00 / 0.00%
             |             
            
                5.60
             |           
            
                5.60
             |               
            
                5.60
             |                           
            
                5.60
             | 
            
                5.60
             |                     
            
                3.16
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2020
             | 
            
                -0.90 / -13.85%
             |             
            
                5.60
             |           
            
                5.60
             |               
            
                5.60
             |                           
            
                5.60
             | 
            
                5.60
             |                     
            
                3.16
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/11/2020
             | 
            
                -1.10 / -14.47%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                3.66
             |                                 
            
                7,500
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2020
             | 
            
                0.00 / 0.00%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                4.29
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/9/2020
             | 
            
                0.00 / 0.00%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                4.29
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                9/8/2020
             | 
            
                0.00 / 0.00%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                4.29
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2020
             | 
            
                0.00 / 0.00%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                4.29
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                9/4/2020
             | 
            
                0.00 / 0.00%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                4.29
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/3/2020
             | 
            
                0.00 / 0.00%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                4.29
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                9/1/2020
             | 
            
                0.00 / 0.00%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                4.29
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
         
    
    
 |