         19       

    1  60                       400     
    2                    100                 
    3                       300                  
    4        12                       
     5                          55     50           
    6                                   55     50        
    7   10000                                        
    8         50%   85%                     
   9                          
    10                                         
   11                              55%    
   12          1c    1                           
   13  11   1                                              
   14                   
   15                            
  16                      
   17            
   18                            
   19                          
                  
                 2022, 4, 8,