In a for loop, the iterator variable is used for keeping track of what?
how many for loops are running in a program
the number of objects in a program
the names of the variables used in a program
how many times the for loop has iterated

1)consider the following code snippet: #ifndef book_h#define book_hconst double max_cost = 1000.0; class book{public: book(); book(double new_cost); void set_cost(double new_cost); double get_cost() const; private: double cost; }; double calculate_terms(book bk); #endifwhich of the following is correct? a)the header file is correct as given.b)the definition of max_cost should be removed since header files should not contain constants.c)the definition of book should be removed since header files should not contain class definitions.d)the body of the calculate_terms function should be added to the header file.

This graph compares the cost of room and board at educational institutions in texas.

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