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                    Closing price on 9/17/2020
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                    | Open | 12.90 |  
                    | High | 12.90 |  
                    | Low | 12.50 |  
                    | Volume | 11,200 |  
                    | Split-adjusted Price | 8.73 |  
                
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 |  DC4 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/17/2020 | -0.60 / -4.58% | 12.90 | 12.90 | 12.50 | 12.50 | 12.58 | 8.73 | 11,200 |   |  
            | 9/16/2020 | -0.10 / -0.76% | 12.90 | 13.10 | 12.70 | 13.10 | 12.83 | 9.14 | 3,000 |   |  			
            | 9/15/2020 | -0.30 / -2.22% | 13.40 | 13.40 | 12.90 | 13.20 | 13.14 | 9.21 | 28,800 |   |  
            | 9/14/2020 | -0.40 / -2.88% | 13.50 | 13.80 | 13.50 | 13.50 | 13.57 | 9.42 | 15,100 |   |  			
            | 9/11/2020 | +0.40 / +2.96% | 13.00 | 14.00 | 13.00 | 13.90 | 13.65 | 9.70 | 30,800 |   |  
            | 9/10/2020 | -0.40 / -2.88% | 13.90 | 13.90 | 13.50 | 13.50 | 13.62 | 9.42 | 20,100 |   |  			
            | 9/9/2020 | +1.00 / +7.75% | 13.20 | 14.00 | 12.70 | 13.90 | 13.29 | 9.70 | 62,300 |   |  
            | 9/8/2020 | +0.40 / +3.20% | 13.00 | 13.00 | 11.60 | 12.90 | 12.52 | 9.01 | 14,800 |   |  			
            | 9/7/2020 | +1.10 / +9.65% | 11.00 | 12.50 | 11.00 | 12.50 | 12.22 | 8.73 | 50,600 |   |  
            | 9/4/2020 | 0.00 / 0.00% | 11.40 | 11.40 | 11.40 | 11.40 | 11.40 | 7.96 | 0 |   |  			
            | 9/3/2020 | 0.00 / 0.00% | 11.40 | 11.40 | 11.40 | 11.40 | 11.40 | 7.96 | 0 |   |  
            | 9/1/2020 | +0.70 / +6.54% | 11.40 | 11.40 | 11.40 | 11.40 | 11.40 | 7.96 | 300 |   |  			
            | 8/31/2020 | -0.20 / -1.83% | 10.30 | 10.70 | 10.10 | 10.70 | 10.19 | 7.47 | 1,400 |   |  
            | 8/28/2020 | 0.00 / 0.00% | 10.90 | 10.90 | 10.90 | 10.90 | 10.90 | 7.61 | 0 |   |  			
            | 8/27/2020 | 0.00 / 0.00% | 10.90 | 10.90 | 10.90 | 10.90 | 10.90 | 7.61 | 0 |   |  
            | 8/26/2020 | -1.10 / -9.17% | 10.80 | 10.90 | 10.80 | 10.90 | 10.83 | 7.61 | 300 |   |  			
            | 8/25/2020 | 0.00 / 0.00% | 12.00 | 12.00 | 12.00 | 12.00 | 12.00 | 7.82 | 100 |   |  
            | 8/24/2020 | 0.00 / 0.00% | 12.00 | 12.00 | 12.00 | 12.00 | 12.00 | 7.82 | 0 |   |  			
            | 8/21/2020 | 0.00 / 0.00% | 12.00 | 12.00 | 12.00 | 12.00 | 12.00 | 7.82 | 0 |   |  
            | 8/20/2020 | 0.00 / 0.00% | 12.00 | 12.00 | 12.00 | 12.00 | 12.00 | 7.82 | 0 |   |  			
            | 8/19/2020 | +0.30 / +2.56% | 12.00 | 12.00 | 10.60 | 12.00 | 11.23 | 7.82 | 5,100 |   |  
            | 8/18/2020 | 0.00 / 0.00% | 11.70 | 11.70 | 11.70 | 11.70 | 11.70 | 7.62 | 0 |   |  			
            | 8/17/2020 | -1.30 / -10.00% | 13.00 | 13.00 | 11.70 | 11.70 | 12.71 | 7.62 | 2,600 |   |  
            | 8/14/2020 | 0.00 / 0.00% | 13.00 | 13.00 | 13.00 | 13.00 | 13.00 | 8.47 | 0 |   |  			
            | 8/13/2020 | -0.50 / -3.70% | 13.00 | 13.00 | 13.00 | 13.00 | 13.00 | 8.47 | 200 |   |  
            | 8/12/2020 | 0.00 / 0.00% | 13.50 | 13.50 | 13.50 | 13.50 | 13.50 | 8.80 | 0 |   |  			
            | 8/11/2020 | 0.00 / 0.00% | 13.50 | 13.50 | 13.50 | 13.50 | 13.50 | 8.80 | 0 |   |  
            | 8/10/2020 | 0.00 / 0.00% | 13.50 | 13.50 | 13.50 | 13.50 | 13.50 | 8.80 | 0 |   |  			
            | 8/7/2020 | 0.00 / 0.00% | 13.50 | 13.50 | 13.50 | 13.50 | 13.50 | 8.80 | 0 |   |  
            | 8/6/2020 | 0.00 / 0.00% | 13.50 | 13.50 | 13.50 | 13.50 | 13.50 | 8.80 | 0 |   |  |  |  
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