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                    Closing price on 11/16/2020
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        |           
                
                    | Open | 5.60 |  
                    | High | 5.60 |  
                    | Low | 5.60 |  
                    | Volume | 2,000 |  
                    | Split-adjusted Price | 3.16 |  
                
             | 
 |  DSC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/16/2020 | -0.60 / -9.68% | 5.60 | 5.60 | 5.60 | 5.60 | 5.60 | 3.16 | 2,000 |   |  
            | 11/13/2020 | 0.00 / 0.00% | 6.20 | 6.20 | 6.20 | 6.20 | 6.20 | 3.50 | 0 |   |  			
            | 11/12/2020 | 0.00 / 0.00% | 6.20 | 6.20 | 6.20 | 6.20 | 6.20 | 3.50 | 0 |   |  
            | 11/11/2020 | 0.00 / 0.00% | 6.20 | 6.20 | 6.20 | 6.20 | 6.20 | 3.50 | 0 |   |  			
            | 11/10/2020 | 0.00 / 0.00% | 6.20 | 6.20 | 6.20 | 6.20 | 6.20 | 3.50 | 0 |   |  
            | 11/9/2020 | 0.00 / 0.00% | 6.20 | 6.20 | 6.20 | 6.20 | 6.20 | 3.50 | 0 |   |  			
            | 11/6/2020 | -1.00 / -13.89% | 6.20 | 6.20 | 6.20 | 6.20 | 6.20 | 3.50 | 1,000 |   |  
            | 11/5/2020 | 0.00 / 0.00% | 7.20 | 7.20 | 7.20 | 7.20 | 7.20 | 4.06 | 0 |   |  			
            | 11/4/2020 | +0.80 / +12.50% | 7.20 | 7.20 | 7.20 | 7.20 | 7.20 | 4.06 | 100 |   |  
            | 11/3/2020 | -0.10 / -1.54% | 6.40 | 6.40 | 6.40 | 6.40 | 6.40 | 3.61 | 0 |   |  			
            | 11/2/2020 | +0.60 / +10.17% | 6.40 | 6.50 | 6.40 | 6.50 | 6.43 | 3.66 | 1,700 |   |  
            | 10/30/2020 | +0.60 / +10.34% | 6.00 | 6.40 | 5.80 | 6.40 | 5.86 | 3.61 | 1,900 |   |  			
            | 10/29/2020 | 0.00 / 0.00% | 5.80 | 5.80 | 5.80 | 5.80 | 5.80 | 3.27 | 0 |   |  
            | 10/28/2020 | 0.00 / 0.00% | 5.80 | 5.80 | 5.80 | 5.80 | 5.80 | 3.27 | 0 |   |  			
            | 10/27/2020 | 0.00 / 0.00% | 5.80 | 5.80 | 5.80 | 5.80 | 5.80 | 3.27 | 0 |   |  
            | 10/26/2020 | 0.00 / 0.00% | 5.80 | 5.80 | 5.80 | 5.80 | 5.80 | 3.27 | 0 |   |  			
            | 10/23/2020 | -0.10 / -1.69% | 5.80 | 5.80 | 5.80 | 5.80 | 5.80 | 3.27 | 1,000 |   |  
            | 10/22/2020 | +0.70 / +13.46% | 5.60 | 5.90 | 5.60 | 5.90 | 5.83 | 3.33 | 400 |   |  			
            | 10/21/2020 | -0.80 / -13.33% | 5.50 | 5.50 | 5.20 | 5.20 | 5.20 | 2.93 | 3,300 |   |  
            | 10/20/2020 | 0.00 / 0.00% | 5.50 | 6.00 | 5.50 | 6.00 | 5.71 | 3.38 | 1,700 |   |  			
            | 10/19/2020 | +0.50 / +9.09% | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 3.38 | 500 |   |  
            | 10/16/2020 | -0.90 / -14.06% | 5.50 | 5.50 | 5.50 | 5.50 | 5.50 | 3.10 | 100 |   |  			
            | 10/15/2020 | 0.00 / 0.00% | 6.40 | 6.40 | 6.40 | 6.40 | 6.40 | 3.61 | 0 |   |  
            | 10/14/2020 | +0.60 / +10.34% | 6.40 | 6.40 | 6.40 | 6.40 | 6.40 | 3.61 | 500 |   |  			
            | 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 |   |  |