What will be the output of the following C++ code? #include using namespace std; class sample int width, height; public: void set_values (int, int); int area () return (width * height); friend sample duplicate (sample); ; void sample::set_values (int a, int b) width = a; height = b; sample duplicate (sample rectparam) sample rectres; rectres.width = rectparam.width * 2; rectres.height = rectparam.height * 2; return (rectres); int main () sample rect, rectb; rect.set_values (2, 3); rectb = duplicate (rect); cout << rectb.area(); return 0;

Answer: Option C