#ifndef ORDERITEM_H
#define ORDERITEM_H

class OrderItem
{
friend unsigned int ItemCost(OrderItem& item) ;

public:
   OrderItem();
   OrderItem(unsigned int sku, unsigned int price);

   void PrintItem() ;     // print out sku, price & quantity
   void AddOne() ;        // increase quantity  
   void RemoveOne() ;     // decrease quantity, check for zero!

protected:
   unsigned int m_sku ;      // SKU = Stock Keeping Unit
                             // http://en.wikipedia.org/wiki/Stock_Keeping_Unit
   unsigned int m_price;     // price of this item
   unsigned int m_quantity;  // number of this item ordered
} ;


// Compute the cost of the item

unsigned int ItemCost (OrderItem& item) ;


#endif