Which of the following are the correct ways to declare a delegate for calling the function func() defined in the sample class given below? class Sample { public int func(int i, Single j) { /* Add code here. */ } }

• delegate d(int i, Single j);
• delegate void d(int, Single);
• delegate int d(int i, Single j);
• delegate void (int i, Single j);
• delegate int sample.func(int i, Single j);