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                    Closing price on 10/21/2020
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                    | Open | 15.90 |  
                    | High | 15.90 |  
                    | Low | 14.80 |  
                    | Volume | 137,250 |  
                    | Split-adjusted Price | 10.47 |  
                
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 |  DC4 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/21/2020 | -0.90 / -5.66% | 15.90 | 15.90 | 14.80 | 15.00 | 15.37 | 10.47 | 137,250 |   |  
            | 10/20/2020 | +2.40 / +17.78% | 16.20 | 16.20 | 12.00 | 15.90 | 15.08 | 11.10 | 468,830 |   |  			
            | 10/9/2020 | +0.10 / +0.71% | 14.30 | 14.40 | 14.10 | 14.20 | 14.23 | 9.91 | 51,300 |   |  
            | 10/8/2020 | -0.30 / -2.08% | 14.20 | 14.50 | 14.00 | 14.10 | 14.22 | 9.84 | 43,600 |   |  			
            | 10/7/2020 | +0.20 / +1.41% | 14.50 | 14.50 | 14.20 | 14.40 | 14.38 | 10.05 | 134,400 |   |  
            | 10/6/2020 | +0.30 / +2.16% | 13.90 | 14.20 | 13.80 | 14.20 | 13.97 | 9.91 | 32,000 |   |  			
            | 10/5/2020 | +0.10 / +0.72% | 14.00 | 14.10 | 13.80 | 13.90 | 13.90 | 9.70 | 165,600 |   |  
            | 10/2/2020 | -0.20 / -1.43% | 14.00 | 14.40 | 13.70 | 13.80 | 13.87 | 9.63 | 153,700 |   |  			
            | 10/1/2020 | +0.20 / +1.45% | 13.80 | 14.00 | 13.70 | 14.00 | 13.90 | 9.77 | 46,200 |   |  
            | 9/30/2020 | +0.10 / +0.73% | 13.30 | 13.80 | 13.10 | 13.80 | 13.60 | 9.63 | 42,300 |   |  			
            | 9/29/2020 | 0.00 / 0.00% | 13.00 | 13.70 | 13.00 | 13.70 | 13.44 | 9.56 | 16,800 |   |  
            | 9/28/2020 | 0.00 / 0.00% | 13.70 | 14.00 | 13.50 | 13.70 | 13.70 | 9.56 | 22,800 |   |  			
            | 9/25/2020 | +1.20 / +9.60% | 12.80 | 13.70 | 12.80 | 13.70 | 13.69 | 9.56 | 86,300 |   |  
            | 9/24/2020 | +0.60 / +5.04% | 11.90 | 12.50 | 11.80 | 12.50 | 11.89 | 8.73 | 21,000 |   |  			
            | 9/23/2020 | -0.70 / -5.56% | 12.50 | 12.50 | 11.70 | 11.90 | 11.92 | 8.31 | 27,100 |   |  
            | 9/22/2020 | +0.10 / +0.80% | 12.40 | 12.60 | 12.20 | 12.60 | 12.27 | 8.80 | 5,200 |   |  			
            | 9/21/2020 | -0.70 / -5.30% | 12.50 | 12.50 | 12.50 | 12.50 | 12.50 | 8.73 | 14,000 |   |  
            | 9/18/2020 | +0.70 / +5.60% | 12.30 | 13.30 | 12.30 | 13.20 | 13.14 | 9.21 | 7,100 |   |  			
            | 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 |   |  |  |  
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