            6   

       

3   23   2020——2021   

         

  6   

4      500  1500 

3000  5000      500  1500  5000

 10000        500  

 1000           

    

   9      

   500  1500  3000  5000  

         6   

     10000    

            

          

            

         

        

         

         

