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                    Closing price on 12/25/2020
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                    | Open | 6.70 |  
                    | High | 6.70 |  
                    | Low | 6.70 |  
                    | Volume | 900 |  
                    | Split-adjusted Price | 3.78 |  
                
             | 
 |  DSC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/25/2020 | +0.10 / +1.52% | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 3.78 | 900 |   |  
            | 12/24/2020 | +0.20 / +3.08% | 6.60 | 6.70 | 6.60 | 6.70 | 6.64 | 3.78 | 2,500 |   |  			
            | 12/23/2020 | +0.30 / +4.84% | 6.50 | 6.50 | 6.50 | 6.50 | 6.50 | 3.66 | 3,100 |   |  
            | 12/22/2020 | 0.00 / 0.00% | 5.80 | 6.40 | 5.70 | 6.30 | 6.16 | 3.55 | 6,600 |   |  			
            | 12/21/2020 | 0.00 / 0.00% | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 3.55 | 3,600 |   |  
            | 12/18/2020 | 0.00 / 0.00% | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 3.55 | 0 |   |  			
            | 12/17/2020 | +0.30 / +4.92% | 6.10 | 6.40 | 6.10 | 6.40 | 6.33 | 3.61 | 400 |   |  
            | 12/16/2020 | 0.00 / 0.00% | 6.10 | 6.10 | 6.10 | 6.10 | 6.10 | 3.44 | 5,400 |   |  			
            | 12/15/2020 | 0.00 / 0.00% | 6.10 | 6.10 | 6.10 | 6.10 | 6.10 | 3.44 | 0 |   |  
            | 12/14/2020 | 0.00 / 0.00% | 5.30 | 6.10 | 5.30 | 6.10 | 6.10 | 3.44 | 6,100 |   |  			
            | 12/11/2020 | -0.80 / -13.33% | 6.40 | 6.40 | 5.20 | 5.20 | 6.11 | 2.93 | 3,500 |   |  
            | 12/10/2020 | +0.20 / +3.45% | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 3.38 | 1,600 |   |  			
            | 12/9/2020 | 0.00 / 0.00% | 5.80 | 5.80 | 5.80 | 5.80 | 5.80 | 3.27 | 0 |   |  
            | 12/8/2020 | 0.00 / 0.00% | 5.80 | 5.80 | 5.80 | 5.80 | 5.80 | 3.27 | 0 |   |  			
            | 12/7/2020 | 0.00 / 0.00% | 5.80 | 5.80 | 5.80 | 5.80 | 5.80 | 3.27 | 0 |   |  
            | 12/4/2020 | +0.70 / +13.73% | 5.80 | 5.80 | 5.80 | 5.80 | 5.80 | 3.27 | 100 |   |  			
            | 12/3/2020 | -0.40 / -7.27% | 5.10 | 5.10 | 5.10 | 5.10 | 5.10 | 2.88 | 700 |   |  
            | 12/2/2020 | -0.80 / -12.70% | 5.50 | 5.50 | 5.50 | 5.50 | 5.50 | 3.10 | 1,200 |   |  			
            | 12/1/2020 | 0.00 / 0.00% | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 3.55 | 0 |   |  
            | 11/30/2020 | 0.00 / 0.00% | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 3.55 | 0 |   |  			
            | 11/27/2020 | 0.00 / 0.00% | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 3.55 | 0 |   |  
            | 11/26/2020 | 0.00 / 0.00% | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 3.55 | 0 |   |  			
            | 11/25/2020 | 0.00 / 0.00% | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 3.55 | 0 |   |  
            | 11/24/2020 | 0.00 / 0.00% | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 3.55 | 0 |   |  			
            | 11/23/2020 | 0.00 / 0.00% | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 3.55 | 0 |   |  
            | 11/20/2020 | 0.00 / 0.00% | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 3.55 | 0 |   |  			
            | 11/19/2020 | 0.00 / 0.00% | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 3.55 | 0 |   |  
            | 11/18/2020 | +0.80 / +14.29% | 6.20 | 6.40 | 6.20 | 6.40 | 6.32 | 3.61 | 2,500 |   |  			
            | 11/17/2020 | 0.00 / 0.00% | 5.60 | 5.60 | 5.60 | 5.60 | 5.60 | 3.16 | 0 |   |  
            | 11/16/2020 | -0.60 / -9.68% | 5.60 | 5.60 | 5.60 | 5.60 | 5.60 | 3.16 | 2,000 |   |  |