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                    Closing price on 8/4/2021
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        |           
                
                    | Open | 18.00 |  
                    | High | 18.50 |  
                    | Low | 17.70 |  
                    | Volume | 218,300 |  
                    | Split-adjusted Price | 16.23 |  
                
             | 
 |  NRC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/4/2021 | 0.00 / 0.00% | 18.00 | 18.50 | 17.70 | 17.90 | 18.09 | 16.23 | 218,300 |   |  
            | 8/3/2021 | +0.40 / +2.29% | 17.50 | 17.90 | 17.40 | 17.90 | 17.66 | 16.23 | 220,500 |   |  			
            | 8/2/2021 | -1.20 / -6.42% | 18.80 | 18.80 | 16.90 | 17.50 | 17.10 | 15.87 | 422,700 |   |  
            | 7/30/2021 | +1.70 / +10.00% | 16.90 | 18.70 | 16.50 | 18.70 | 17.13 | 16.96 | 444,100 |   |  			
            | 7/29/2021 | +0.10 / +0.59% | 17.00 | 18.30 | 16.60 | 17.00 | 17.08 | 15.42 | 231,300 |   |  
            | 7/28/2021 | +0.10 / +0.60% | 16.90 | 17.10 | 16.50 | 16.90 | 16.79 | 15.33 | 222,300 |   |  			
            | 7/27/2021 | 0.00 / 0.00% | 16.80 | 16.80 | 16.40 | 16.80 | 16.54 | 15.24 | 271,500 |   |  
            | 7/26/2021 | +0.20 / +1.20% | 16.60 | 16.90 | 16.10 | 16.80 | 16.62 | 15.24 | 214,600 |   |  			
            | 7/23/2021 | -0.80 / -4.60% | 17.40 | 17.40 | 16.60 | 16.60 | 17.24 | 15.05 | 222,800 |   |  
            | 7/22/2021 | +0.20 / +1.16% | 17.20 | 17.40 | 16.80 | 17.40 | 17.16 | 15.78 | 242,800 |   |  			
            | 7/21/2021 | -0.30 / -1.71% | 17.50 | 17.50 | 16.50 | 17.20 | 17.03 | 15.60 | 311,200 |   |  
            | 7/20/2021 | 0.00 / 0.00% | 17.50 | 17.60 | 17.30 | 17.50 | 17.40 | 15.87 | 287,100 |   |  			
            | 7/19/2021 | -0.50 / -2.78% | 17.80 | 17.80 | 16.50 | 17.50 | 17.41 | 15.87 | 278,000 |   |  
            | 7/16/2021 | -0.20 / -1.10% | 18.20 | 18.50 | 18.00 | 18.00 | 18.28 | 16.32 | 235,600 |   |  			
            | 7/15/2021 | -0.10 / -0.55% | 18.70 | 18.70 | 17.90 | 18.20 | 18.06 | 16.51 | 249,700 |   |  
            | 7/14/2021 | +0.40 / +2.23% | 19.00 | 19.00 | 17.80 | 18.30 | 18.13 | 16.60 | 240,800 |   |  			
            | 7/13/2021 | -0.20 / -1.10% | 18.10 | 18.10 | 17.50 | 17.90 | 17.73 | 16.23 | 270,100 |   |  
            | 7/12/2021 | -0.90 / -4.74% | 18.90 | 18.90 | 17.50 | 18.10 | 18.43 | 16.41 | 248,150 |   |  			
            | 7/9/2021 | -0.40 / -2.06% | 19.30 | 19.40 | 19.00 | 19.00 | 19.21 | 17.23 | 297,100 |   |  
            | 7/8/2021 | 0.00 / 0.00% | 19.30 | 21.10 | 19.20 | 19.40 | 19.65 | 17.59 | 417,300 |   |  			
            | 7/7/2021 | -0.30 / -1.52% | 19.40 | 19.60 | 19.10 | 19.40 | 19.23 | 17.59 | 410,100 |   |  
            | 7/6/2021 | -0.30 / -1.50% | 20.00 | 20.00 | 19.70 | 19.70 | 19.81 | 17.87 | 402,500 |   |  			
            | 7/5/2021 | -0.30 / -1.48% | 20.30 | 20.30 | 19.60 | 20.00 | 19.98 | 18.14 | 264,000 |   |  
            | 7/2/2021 | 0.00 / 0.00% | 20.10 | 20.40 | 20.10 | 20.30 | 20.22 | 18.41 | 257,800 |   |  			
            | 7/1/2021 | +0.10 / +0.50% | 20.30 | 20.50 | 20.00 | 20.30 | 20.29 | 18.41 | 289,800 |   |  
            | 6/30/2021 | 0.00 / 0.00% | 20.50 | 20.50 | 20.00 | 20.20 | 20.16 | 18.32 | 286,800 |   |  			
            | 6/29/2021 | +0.60 / +3.06% | 19.60 | 20.30 | 19.60 | 20.20 | 20.01 | 18.32 | 279,300 |   |  
            | 6/28/2021 | -0.60 / -2.97% | 20.10 | 20.60 | 19.60 | 19.60 | 20.13 | 17.78 | 313,200 |   |  			
            | 6/25/2021 | -0.30 / -1.46% | 20.40 | 20.60 | 20.00 | 20.20 | 20.28 | 18.32 | 281,300 |   |  
            | 6/24/2021 | 0.00 / 0.00% | 20.60 | 20.80 | 20.40 | 20.50 | 20.62 | 18.59 | 311,500 |   |  |