A program runs alone on a CPU. The CPU clock rate is 3e9 cycles per second, i. e., 3 GHz. It takes the CPU 15e9 clock cycles to complete the program. The CPU clock cycle time is 500e-12 second, i. e., 500 picoseconds. How many seconds is the CPU performance for the task?

Consider the following code snippet: #ifndef cashregister_h#define cashregister_hconst double max_balance = 6000000.0; class cashregister{public: cashregister(); cashregister(double new_balance); void set_balance(double new_balance); double get_balance() const; private: double balance[12]; }; double get_monthly_balance(cashregister bk, int month); #endifwhich of the following is correct? a)the header file is correct as given.b)the definition of max_balance should be removed since header files should not contain constants.c)the definition of cashregister should be removed since header files should not contain class definitions.d)the body of the get_monthly_balance function should be added to the header file.

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