Which of the following is the correct way to call the function MyFun() of the Sample class given below? class Sample { public int MyFun(int i) { Console.WriteLine("Welcome to CuriousTab.com !" ); return 0; } }

• delegate void del(int i); Sample s = new Sample(); deld = new del(ref s.MyFun); d(10);
• delegate int del(int i); Sample s = new Sample(.); del = new delegate(ref MyFun); del(10);
• Sample s = new Sample(); delegate void del = new delegate(ref MyFun); del(10);
• delegate int del(int i); del d; Sample s = new Sample(); d = new del(ref s.MyFun); d(10);