When a function fun() is to receive an int, a single & a double and it is to return a decimal, then the correct way of defining this function is?

decimal fun(int i, single j, double k) { }

static fun(int i, single j, double k) { return decimal; }

static decimal fun(int i, single, double k) { }

decimal static fun(int i, single j, double k) { }

When a function fun() is to receive an int, a single & a double and it

1.	When a function fun() is to receive an int, a single & a double and it is to return a decimal, then the correct way of defining this function is?
A.	static fun(int i, single j, double k) { return decimal; }
B.	static decimal fun(int i, single, double k) { }
C.	decimal fun(int i, single j, double k) { }
D.	decimal static fun(int i, single j, double k) { }
Answer» C. decimal fun(int i, single j, double k) { }