text: //BY: JINGYI LIU (ELIZABETH) 201485845
  #ifndef NPV_H
  #define NPV_H
  
  #include <iostream>
  #include <string>
  
  //print header
  void printheader();
  
  //function to get the values and percentage difference 
  double NPV_value_2(const float array[], double value_entered, int arraysize, float &min);
  
  // print on screen (for E6 to E96) (due to the formatting)
  void print(double value_recommended, float p_diff , std::string name_series, int count_1);
  
  // print on screen (E192) (due to the formatting)
  void print_E192(double value_192, float p_diff_192, int count_1);
  
  // what is printed at the submenu;
  void NPV_calculator();
  
  #endif 