#include<iostream.h>
#include<string.h>

class Inventory
{

private:

  char model[20];
  int quantity;
  double cost;
  double price;
  double totalCost;
  double totalRevenue;

public:

  Inventory(char* ch="\0", int q=0, double c=0, double p=0);
  
  void setModel(char*);
  void setQuantity(int);
  void setCost(double);
  void setPrice(double);
  void setTotalCost(int, double);
  void setTotalRevenue(int, double);
  
  char* getModel();
  int getQuantity();
  double getCost();
  double getPrice();
  double getTotalCost();
  double getTotalRevenue();

};

//Constructor
Inventory::Inventory(char* ch, int q, double c, double p)
{
  setModel(ch);
  setQuantity(q);
  setCost(c);
  setPrice(p);
  setTotalCost(q,c);
  setTotalRevenue(q,p);
}

//setModel
void Inventory::setModel(char* ch)
{
  strcpy(model, ch);
}

//setQuantity
void Inventory::setQuantity(int q)
{
  quantity=q;
}

//setCost
void Inventory::setCost(double c)
{
  cost=c;
}

//setPrice
void Inventory::setPrice(double p)
{
  price=p;
}

//setTotalCost
void Inventory::setTotalCost(int q, double c)
{
  totalCost=q*c;
}

//setTotalRevenue
void Inventory::setTotalRevenue(int q, double p)
{
  totalRevenue=q*p;
}

//getModel
char* Inventory::getModel()
{
...
}

//getQuantity
int Inventory::getQuantity()
{
...
}

//getCost
double Inventory::getCost()
{
...;
}

//getPrice
double Inventory::getPrice()
{
...
}

//getTotalCost 
double Inventory::getTotalCost()
{
...
}

//getTotalRevenue
double Inventory::getTotalRevenue()
{
...
}