Question: #include using namespace std; struct Person { int weight; int height, }; int main() { Person fred, Person* ptr = &fred fred weight=190 fred height=70

#include using namespace std; struct Person { int weight; int height, }; int main() { Person fred, Person* ptr = &fred fred weight=190 fred height=70 return 0; } What is a correct way to subtract 5 from fred's weight using the pointer variable 'ptr'? O ptr->weight = ptr->weight -5 O *ptr->weight = *ptr->weight-5, None of these O ptr weight = ptr.weight -5

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