Which operator should be overloaded in the following code to make the program error free? #include #include using namespace std; class Box int capacity; public: Box() Box(double capacity) this->capacity = capacity; ; int main(int argc, char const *argv[]) Box b1(10); Box b2 = Box(14); if(b1 == b2) cout<<"Equal"; else cout<<"Not Equal"; return 0;

Answer: Option B