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                    Closing price on 12/15/2020
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                    | Open | 10.50 |  
                    | High | 10.90 |  
                    | Low | 10.50 |  
                    | Volume | 13,420 |  
                    | Split-adjusted Price | 7.61 |  
                
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 |  DC4 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/15/2020 | 0.00 / 0.00% | 10.50 | 10.90 | 10.50 | 10.90 | 10.51 | 7.61 | 13,420 |   |  
            | 12/14/2020 | +0.10 / +0.93% | 10.80 | 11.25 | 10.80 | 10.90 | 11.07 | 7.61 | 4,970 |   |  			
            | 12/11/2020 | +0.20 / +1.89% | 10.60 | 11.00 | 10.55 | 10.80 | 10.60 | 7.54 | 19,610 |   |  
            | 12/10/2020 | +0.05 / +0.47% | 10.55 | 10.60 | 10.50 | 10.60 | 10.50 | 7.40 | 44,400 |   |  			
            | 12/9/2020 | -0.25 / -2.31% | 10.80 | 10.80 | 10.55 | 10.55 | 10.61 | 7.36 | 54,970 |   |  
            | 12/8/2020 | 0.00 / 0.00% | 11.20 | 11.20 | 10.70 | 10.80 | 10.79 | 7.54 | 8,430 |   |  			
            | 12/7/2020 | +0.30 / +2.86% | 10.50 | 10.80 | 10.50 | 10.80 | 10.60 | 7.54 | 33,310 |   |  
            | 12/4/2020 | 0.00 / 0.00% | 10.80 | 10.80 | 10.50 | 10.50 | 10.55 | 7.33 | 2,340 |   |  			
            | 12/3/2020 | 0.00 / 0.00% | 10.10 | 10.50 | 10.10 | 10.50 | 10.36 | 7.33 | 1,650 |   |  
            | 12/2/2020 | 0.00 / 0.00% | 10.80 | 10.80 | 10.50 | 10.50 | 10.59 | 7.33 | 18,720 |   |  			
            | 12/1/2020 | 0.00 / 0.00% | 10.00 | 10.50 | 10.00 | 10.50 | 10.50 | 7.33 | 15,610 |   |  
            | 11/30/2020 | -0.30 / -2.78% | 10.45 | 10.50 | 10.30 | 10.50 | 10.43 | 7.33 | 15,420 |   |  			
            | 11/27/2020 | -0.25 / -2.26% | 10.90 | 11.05 | 10.80 | 10.80 | 10.90 | 7.54 | 56,210 |   |  
            | 11/26/2020 | 0.00 / 0.00% | 11.05 | 11.20 | 11.00 | 11.05 | 11.04 | 7.71 | 21,210 |   |  			
            | 11/25/2020 | 0.00 / 0.00% | 11.20 | 11.20 | 11.05 | 11.05 | 11.08 | 7.71 | 31,940 |   |  
            | 11/24/2020 | -0.45 / -3.91% | 11.60 | 11.70 | 11.00 | 11.05 | 11.19 | 7.71 | 3,060 |   |  			
            | 11/23/2020 | -0.30 / -2.54% | 11.85 | 11.85 | 11.45 | 11.50 | 11.46 | 8.03 | 35,130 |   |  
            | 11/20/2020 | +0.30 / +2.61% | 11.50 | 11.80 | 11.40 | 11.80 | 11.44 | 8.24 | 2,090 |   |  			
            | 11/19/2020 | -0.20 / -1.71% | 11.50 | 11.60 | 11.50 | 11.50 | 11.51 | 8.03 | 7,710 |   |  
            | 11/18/2020 | -0.10 / -0.85% | 12.00 | 12.00 | 11.70 | 11.70 | 11.81 | 8.17 | 1,770 |   |  			
            | 11/17/2020 | -0.05 / -0.42% | 11.80 | 11.85 | 11.50 | 11.80 | 11.77 | 8.24 | 550 |   |  
            | 11/16/2020 | +0.05 / +0.42% | 11.80 | 11.90 | 11.80 | 11.85 | 11.89 | 8.27 | 5,310 |   |  			
            | 11/13/2020 | -0.20 / -1.67% | 11.90 | 12.00 | 11.50 | 11.80 | 11.54 | 8.24 | 23,800 |   |  
            | 11/12/2020 | 0.00 / 0.00% | 12.00 | 12.00 | 11.80 | 12.00 | 11.93 | 8.38 | 2,930 |   |  			
            | 11/11/2020 | -0.50 / -4.00% | 11.70 | 12.50 | 11.70 | 12.00 | 11.87 | 8.38 | 4,940 |   |  
            | 11/10/2020 | +0.30 / +2.46% | 12.50 | 12.80 | 11.80 | 12.50 | 11.83 | 8.73 | 2,140 |   |  			
            | 11/9/2020 | -0.10 / -0.81% | 12.00 | 12.30 | 11.80 | 12.20 | 11.95 | 8.52 | 27,030 |   |  
            | 11/6/2020 | 0.00 / 0.00% | 12.00 | 12.30 | 11.90 | 12.30 | 11.96 | 8.59 | 5,110 |   |  			
            | 11/5/2020 | -0.50 / -3.91% | 12.50 | 12.80 | 12.10 | 12.30 | 12.73 | 8.59 | 13,990 |   |  
            | 11/4/2020 | +0.40 / +3.23% | 12.00 | 12.80 | 12.00 | 12.80 | 12.06 | 8.94 | 2,770 |   |  |  |  
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