Which of the following will be the correct output for the C#.NET program given below?

  namespace FreshergateConsoleApplication
  {    
       struct Sample  
       {        
            public int i;    
       }  
       class MyProgram   
       {      
           static void Main()     
           {         
               Sample x = new Sample();              
               x.i = 10;    
               fun(x);              
               Console.Write(x.i + " ");     
            }       
            static void fun(Sample y)  
            {         
                  y.i = 20;              
                  Console.Write(y.i + " ");           
            }   
        } 
    }