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                    Closing price on 1/11/2021
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        |           
                
                    | Open | 10.00 |  
                    | High | 11.20 |  
                    | Low | 10.00 |  
                    | Volume | 17,400 |  
                    | Split-adjusted Price | 6.31 |  
                
             | 
 |  DSC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/11/2021 | +1.40 / +14.29% | 10.00 | 11.20 | 10.00 | 11.20 | 11.15 | 6.31 | 17,400 |   |  
            | 1/8/2021 | +1.20 / +13.95% | 9.70 | 9.80 | 9.50 | 9.80 | 9.76 | 5.53 | 14,600 |   |  			
            | 1/7/2021 | -0.20 / -2.27% | 8.60 | 8.60 | 8.60 | 8.60 | 8.60 | 4.85 | 400 |   |  
            | 1/6/2021 | +0.40 / +4.65% | 8.40 | 9.30 | 7.40 | 9.00 | 8.76 | 5.07 | 16,000 |   |  			
            | 1/5/2021 | 0.00 / 0.00% | 8.60 | 8.60 | 8.60 | 8.60 | 8.60 | 4.85 | 1,000 |   |  
            | 1/4/2021 | +1.00 / +12.50% | 8.50 | 9.00 | 8.50 | 9.00 | 8.57 | 5.07 | 25,400 |   |  			
            | 12/31/2020 | 0.00 / 0.00% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 4.51 | 1,100 |   |  
            | 12/30/2020 | +0.50 / +6.67% | 7.80 | 8.20 | 7.80 | 8.00 | 8.04 | 4.51 | 9,900 |   |  			
            | 12/29/2020 | +0.90 / +13.04% | 6.90 | 7.80 | 6.90 | 7.80 | 7.46 | 4.40 | 4,514,500 |   |  
            | 12/28/2020 | +0.20 / +2.99% | 6.70 | 6.90 | 6.70 | 6.90 | 6.90 | 3.89 | 5,500 |   |  			
            | 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 |   |  |