#ifndef _STOCK_H_

#define _STOCK_H_



#include <string>

#include <iostream>



using std::string;

using std::ostream;



// A Stock object represents purchases of shares of a stock.

class Stock {

 public:

  Stock(string symbol, double share_price = 0.0);



  // Stock's mutator/accessor methods.

  void   Purchase(int shares, double share_price);

  int    get_shares() const;

  double get_share_price() const;

  void   set_share_price(double share_price);

  string get_symbol() const;



  // Stock's "investment" interface.

  double GetCost() const;

  double GetMarketValue() const;

  double GetProfit() const;



  // Overload (ostream& <<) so we can print Stock.

  friend ostream &operator<<(ostream &out, const Stock &rhs);



 private:

  string symbol_;

  int    shares_;

  double cost_;

  double share_price_;

};



#endif  // _STOCK_H_