        
               
   
          
                                                        50%                        80%                                       80%          
                                                                                                                                                                                                                                               
                                                                                                                                                                                                                                                                                
                                                                                                                    
                                                                                                                                                                                                                                    
                                                             
                                               
                                                     
        