1. What will be the output of the following program? #include<iostream.h> class A { public: void BixFunction(void) { cout<< "Class A" << endl; } }; class B: public A { public: void BixFunction(void) { cout<< "Class B" << endl; } }; class C : public B { public: void BixFunction(void) { cout<< "Class C" << endl; } }; int main() { A ptr; B objB; ptr = &objB; ptr = new C(); ptr->BixFunction(); return 0; }