#ifndef _STOCK_H
#define _STOCK_H

#include <string>
using namespace std;

// A Stock object represents purchases of shares of a stock.
class Stock {
    private:
        string m_symbol;
        int    m_shares;
        double m_cost;
        double m_sharePrice;

    public:
        Stock(string symbol, double sharePrice = 0.0);

        virtual double cost() const;
        virtual double marketValue() const;
        virtual double profit() const;
        virtual void   purchase(int shares, double sharePrice);
        virtual void   setSharePrice(double sharePrice);
        virtual int    shares() const;
        virtual double sharePrice() const;
};

#endif