How many parameters go into the function sum, and how many return values come out of the function sum?

function sum(first, second, third){
var result = first + second + third;
println(first);
println(second);
println(third);
return result;
}
JavaScript

3 parameters go in, 1 return value comes out

3 parameters go in, 3 return values come out

1 parameter goes in, 4 return values come out

1 parameter goes in, 1 return value comes out

3 parameters go in, 1 return value comes out